Ayedh, Prof. Dr. Abdullatif Musleh Mohammed, and Dr. Abdulkarem Saleh Hussein Al-Qohfa , trans. 2020. “The Impact of Transformational Leadership on the Effectiveness of Administrative Decisions: A Field Study at Pharmaceutical Manufacturers in Yemen”. Journal of Social Studies 26 (1): 1-30. https://doi.org/10.20428/jss.v26i1.1620.