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| 1 | The reliability of Using the Gravity Model for forecasting trip distribution显示文摘 | Lenonnie N D Attahiru S A Affifi H S | 1987 | Transportation1987，14，2： | 1 |
| 2 | The reliability of using the gravity model for forecasting trip distribution显示文摘 | Leonnie N Attahiru S Afifi H | 1987 | Transportation1987，14，3： | 1 |
| 3 | Stochastic analysis of a repairable system with three units and two repair facilities 显示文摘 | Li Wei Alfa Attahiru Sule Zhao Yiqiang | 1998 | Microelectronics and Reliability1998，38，4： | 1 |
| 4 | A 3-opt based simulated annealing algorithm for vehicle routing problems 显示文摘 | Attahiru Sule Alfa Sundresh S Heragu Mingyuan Chen | 1991 | Computers Ind Engng1991，21，14： | 1 |
| 5 | A 3 - opt based simulated annealing algorithm for vehicle routing problems 显示文摘 | Attahiru S A | 1991 | Computers and Eng1991，21，14： | 1 |
| 6 | A Homogeneous PCS network with Markov Call Arrival Process and Phase Type Cell Residence Time显示文摘 | Attahiru Sule Alfa Wei Li | 2002 | Wireless Networks2002，，6： | 1 |
| 7 | Integrating the grouping and layout problems in cellular manufacturingsystems显示文摘 | Attahiru S A Mingyuan C Sunderesh S H | 1992 | Computers and Industrial Engineering1992，，23： | 1 |
| 8 | A 3-opt based simulated annealing algorithm for vehicle routing problems 显示文摘 | | 1991 | Computers and Eng1991，21，14： | 1 |
| 9 | The reliability of using the gravity model for forecasting trip distribution显示文摘 | Leonnie N. Duffus Attahiru Sule Alfa Afifi H. Soliman | 1987 | Transportation1987，，3： | 1 |
| 10 | A queueing model of delayed product differentiation 显示文摘 | Elizabeth M J Attahiru S A | 2009 | European Journal of Operation Research2009，199，3： | 1 |
| 11 | A 3-opt based simulated annealing algorithm for vehicle routing problems显示文摘 | Attahiru Sule Alfa Sundresh S Heragu Mingyuan Chen | 1991 | Computers Ind Engng1991，21，14： | 1 |
| 12 | The reliability of using the gravity model for forecasting trip distribution显示文摘 | Leonnie N D Attahiru S A Afifi H S | 1987 | Transportation1987，14，3： | 1 |
| 13 | Integrating the grouping and layout problems in cellular manufacturing sys-tems显示文摘 | Attahiru S A Mingyuan C Sunderesh S | 1992 | Computers and Industrial Engineering1992，23，4： | 1 |
| 14 | Temporal distribution of public transport demand during the peak period显示文摘 | Attahiru S A Mingyuan C | 1995 | European Journal of Operational Research1995，83，： | 1 |
| 15 | An M/PH/K retrial queue with finite number of sources显示文摘 | Attahiru Sule Alfa Sapna Isotupa K P | 2004 | Computer & Operations Research2004，31，： | 1 |
| 16 | A 3-opt based simulated annealing algorithm for vehicle routing porblems显示文摘 | | 1991 | Computers Ind Engng1991，21，14： | 1 |
| 17 | The Reliability of Using the Gravity Model for Forecasting Trip Distribution显示文摘 | Duffus Leonnie N Attahiru Sule Alfa Afifi H | | 0，，03： | 1 |
| 18 | The Role of Traditional Rulers in Addressing Security Challenges: Reflections on Native Authority System in Colonial Sokoto Emirate, 1903-1960显示文摘Sokoto Emirate was one of the three(later four)constituent emirates in colonial Sokoto Province,Northern Nigeria.The others being Sokoto,Gwandu,Argungu,and Yauri Emirates.It is located at the northwestern most part of Nigeria.The Sokoto Emirate covers the present day Sokoto and Zamfara states of Nigeria.During the British colonial administration,native authority(NA)system was a model of local government administration created under the“indirect rule system”.It was a system where by the pre-colonial traditional leadership institutions were modified and allowed to function in the local government administration introduced by the British.This paper assessed the role played by traditional leadership institutions in addressing security challenges during the British colonial administration of Sokoto Emirate.In particular,the role played by the NA in arresting Mahdist uprisings,and other related extremist religious movements on the one hand,as well as rural banditry,armed robbery,theft,among other security challenges in the emirate,are highlighted.The paper further argued that some of the roles played by the traditional leadership institutions in successfully addressing those challenges are still relevant in addressing the problems of insurgency on the one hand,and some of the recent emerging security challenges,in northwestern Nigeria,such as cattle rustling,rural banditry,kidnappings,robbery,and other related challenges. | Attahiru Ahmad Sifawa | 2020 | Cultural and Religious Studies2020，8，9： | 0 |
| 19 | Discrete-time GGI/GG/1 Retrial Queues with Time-controlled Vacation Policies显示文摘A discrete-time GI/G/1 retrial queue with Bernoulli retrials and time-controlled vacation policies is investigated in this paper. By representing the inter-arrival, service and vacation times using a Markov-based approach, we are able to analyze this model as a level-dependent quasi-birth-and-death(LDQBD) process which makes the model algorithmically tractable. Several performance measures such as the stationary probability distribution and the expected number of customers in the orbit have been discussed with two diferent policies:deterministic time-controlled system and random time-controlled system. To give a comparison with the known vacation policy in the literature, we present the exhaustive vacation policy as a contrast between these policies under the early arrival system(EAS) and the late arrival system with delayed access(LAS-DA). Significant diference between EAS and LAS-DA is illustrated by some numerical examples. | Jin-ting WANG Nan WANG Attahiru S.ALFA | 2013 | Acta Mathematicae Applicatae Sinica2013，29，4： | 0 |
| 20 | Optimal resource allocation solutions for heterogeneous cognitive radio networks显示文摘 | Babatunde Awoyemia Bodhaswar Maharaj Attahiru Alfa | 2017 | Digital Communications and Networks2017，3，2： | 0 |
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