Srinivasan, A., & Vasudevan, V. (2013). A stochastic model on the mean time to recruitment for a two graded manpower system associated with a univariate policy of recruitment involving combined thresholds using same geometric process for inter-decesion times. Recent Research in Science and Technology, 4(12). Retrieved from https://www.updatepublishing.com/journal/index.php/rrst/article/view/993