Kurgat, Lydia, and Fredrick Aila. “The Effect of Early Supplier Involvement on Supply Chain Performance in Moi Teaching and Referral Hospital in Kenya”. Journal of Economics, Management Sciences & Procurement 1, no. 1 (April 24, 2021): 19–31. Accessed June 6, 2026. https://jemspro.org/index.php/pages/article/view/8.