Nui, N., Bien, V., Trung, N., Lua, T., Cuong, N., Spillane, C., … Vinh, B. (2021). Cassava Farmers’ Perception on Climate Change: A Case Study in Van Yen District, Yen Bai Province. Vietnam Journal of Agricultural Sciences, 3(3), 700–711. https://doi.org/10.31817/vjas.2020.3.3.04