Widanage, Rupananda, Catherine Chan, Yin-Phan Tsang, Brent Sipes, Haddish Melakeberhan, Amílcar Sanchez-Perez, and Alfredo Mejía-Coroy. 2022. “Enhancing Technical Efficiency and Economic Welfare: A Case Study of Smallholder Potato Farming in the Western Highlands of Guatemala”. Economia Agro-alimentare/Food Economy - Open Access 24 (1). https://doi.org/10.3280/ecag2022oa13227.