Ethnic Minority Farmers’ Perceptions of Climate Change and Its Effects on Crop Production in Northwest Vietnam: A Case Study of H’mong Farmers in Pa Lau Commune, Tram Tau District, Yen Bai Province. VJAS [Internet]. 2023 Jun. 30 [cited 2024 Sep. 20];6(2):1797-809. Available from: http://testvjas.vnua.edu.vn/index.php/vjas/article/view/421