- F.Ouaar and N. Khelil, Initial value problem resolution under optimization algorithms , Advances and Applications in Mathematical Sciences, Volume 18, Issue 7, 2019, pp. 553-565, ISSN : 1841-4311, https : //www.mililink , 2019
- F. Benoumelaz, A.Samira, N. Khelil,B. Rebiai,K. Houam, Advanced algorithm for solving a transportation problem with ve indicators and xed cost, Journal of prime research in mathematics, Volume 15, 2019, pp. 5-20, https ://jprm.sms.edu.pk, 2019
- F. Benoumelaz, A.Samira, N. Khelil, Scheduling problem transportation with ve indicators, AMO - Advanced Modeling and Optimization, Volume 19, Number 2,2017, pp. 233-251, ISSN : 1841-4311, https ://camo.ici.ro/, 2017
- N. Khelil and L. Djerou, Parameterized Gregory Formula, COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS, Vol. 8, No. 2, pp. 1-15, 2017, ISSN 0975-8607 (online) ; 0976-5905 (print), http ://www.rgnpublications.com, 2017
- L. Djerou, N. Khelil and S. Aichouche, Articial bee colony algorithm for solving initial value problems, COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS, Vol. 8, No. 2, pp. 1-7, 2017, ISSN 0975-8607 (online) ; 0976-5905 (print), http ://www.rgnpublications.com, 2017