Gusha, B., A.R. Palmer, and R.A. Villano. “A Stochastic Frontier Analysis of the Performance of Livestock in the North-Eastern Cape Communal Rangelands, South Africa”. South African Journal of Agricultural Extension (SAJAE) 52, no. 1 (April 27, 2024): 90–115. Accessed April 5, 2025. https://sajae.co.za/article/view/14307.