@article{paperid:1069946,
author = {Pooya, Alireza and Morteza Pakdaman},
title = {A new continuous time optimal control model for manpower planning with promotion from inside the system},
journal = {Operational Research},
year = {2021},
volume = {21},
number = {1},
month = {March},
issn = {1109-2858},
pages = {349--364},
			numpages = {15},
keywords = {Optimal control problem; Linear quadratic optimal control; Manpower planning; Human resource planning.},
}