Kiriinya, A. E., Ngugi, D. P. K., Mwangangi, D. . P. and Odhiambo, P. R. (2018) “INFLUENCE OF COLLABORATIVE PLANNING ON PERFORMANCE OF PHARMACEUTICAL FIRMS IN KENYA”, International Journal of Supply Chain Management, 3(2), pp. 44–59. doi: 10.47604/ijscm.767.