Chepngeno, J. , Ezekiel, D.A. and Mwangi, D.K. 2025. The Relationship Between Supplier Collaboration and Pharmaceutical Firms’ Performance in Nairobi City County, Kenya. Journal of Procurement & Supply Chain. 5, 3 (Oct. 2025), 66–82. DOI:https://doi.org/10.70619/vol5iss3pp66-82.