Addai-Asante, Johnson, Samuel Agyei Nimo, and Daniel Kwadwo Obeng. “Firm Level Technical Efficiency Between Foreign-Owned and Domestic-Owned Firms: Case Study of Pharmaceutical Manufacturing Industry in Ghana”. American Scientific Research Journal for Engineering, Technology, and Sciences 36, no. 1 (October 1, 2017): 146–166. Accessed September 20, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/2860.