Saleh, Y. A. B. . “A Precise Description Of The Economic Responsibility Of The Department Of Purchases And Storehouses According To The Concepts Of Effectiveness And Efficiency: A New Initiative To Enrich The Thought Of CSR”. International Journal of Economics Development Research (IJEDR), vol. 3, no. 3, Sept. 2022, pp. 257-73, doi:10.37385/ijedr.v3i3.559.