Continuous review (s, S) inventory system with random lifetimes and positive leadtimes. - S. Kalpakam; K. P. Sapna (Oper. Res. Lett., 1994)

Optimal control of service for facilities holding inventory. - Oded Berman; K. P. Sapna (Comput. Oper. Res., 2001)

Optimal management of cross-trained workers in services with negligible switching costs. - Oded Berman; Jiamin Wang 002; K. P. Sapna (Eur. J. Oper. Res., 2005)