A, Shiri, Chirume S, and Mabika H. H. 2016. “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 (8), 29-43. https://doi.org/10.53555/ar.v2i8.104.