Kimario, H. F., E. Ernest, D. K. Festo, A. M. Nicodemus, and S. Shilemba. “Green Procurement Nexus Performance of Manufacturing Firms: Empirical Reflections”. AFRICAN JOURNAL OF APPLIED RESEARCH, vol. 9, no. 2, Oct. 2023, pp. 69-81, doi:10.26437/ajar.v9i2.561.