ثاَياً: انًراخ األخُبيت A.Periodicals. 1. De Feyter, T., (2006) "Modeling heterogeneity in a manpower planning: dividing the personnel system into more homogeneous subgroups", Applied Stochastic Models in Business and Industry, Vol.No.22, pp.321-334. 2. De Feyter, T., & Guerry, M. (2009) "Evaluating recruitment strategies using fuzzy set theory in stochastic manpower planning", Stochastic Analysis and Applications, Vol.No.27, pp.1184-1162. 3. De Feyter, T., & Guerry, M. & Komarudin (2016) "Optimizing cost-effectiveness in a stochastic Markov manpower planning system under control by recruitment", Annals of Operation Research., doi:10.1007/s10479-016-2311-4. 4. Dimitriou, V.A. & Tsantas, N. (2009) "Prospective control in an enhanced manpower planning model", Applied Mathematics and Computation, Vol.No.215,pp.995-1014. 5. ----------------------------------------- (2009) "Evolution of a time dependent Markov model for training and recruitment decisions in manpower planning", Linear Algebra and its Applications, Vol.No.433,pp.1950- 1972. 6. ----------------------------------------- (2011) "The augmented semi-Markov system and its asymptotic behavior", Appl. Stochastic Models Bus. Ind., Vol.No.27,pp.519-530. - 35 - 7. ------------------------------------------ (2013) "The multivariate non-homogeneous Markov manpower system in a departmental mobility framework", European Journal of Operational Research, Vol.No.228,pp.112-121. 8. Guerry, M.A. & De Feyter, T., (2012) "Optimal recruitment strategies in a multi-level Manpower planning model", Journal of Operational Research Society, Vol.No.63,pp.931-940. 9. Seal, H.L. (1945). "The mathematics of population composed K strata each recruited from the stratum below and supported at the lowest level by a uniform annual number of entrants". Biometrica, Vol.33,pp.226-230. 10.Udom, Akaninyene U., (2013) " A Markov decision process approach to optimal control of a multi-level hierarchical manpower system ", CBN Journal of Applied Statistics , Vol.4 No.2, pp.31-49. 11. Yaghoobi,M.A & Tamiz,N. (2007). "A method for solving fuzzy goal programming problems based on MINMAX approach". European Journal of Operational Research ,Vol.177,pp.1580-1590.