A, Shiri, Chirume S, and Mabika H. H. “A Statistical Analysis of Cost and Yield Optimisation: A Comparison Between Indigenous Technical Knowledge Systems and Scientifically Tested Systems Used by Crop Farmers in Gweru East, Zimbabwe”. IJRDO-Journal of Agriculture and Research (ISSN: 2455-7668) 2, no. 8 (August 31, 2016): 29-43. Accessed May 20, 2024. https://ijrdo.org/index.php/ar/article/view/104.