Widanage R, Chan C, Tsang Y-P, Sipes B, Melakeberhan H, Sanchez-Perez A, et al. Enhancing Technical Efficiency and Economic Welfare: A Case Study of Smallholder Potato Farming in the Western Highlands of Guatemala. Econ. Agro-Aliment. [Internet]. 2022 Feb. 18 [cited 2024 Nov. 21];24(1). Available from: https://journals.francoangeli.it/index.php/ecagoa/article/view/13227