KHAMWICHIT, W.; SANONGRAJ, W.; SANONGRAJ, S. Study of Environmental Impacts Before and After Using the Organic-Chemical Fertilizer in Rice Paddy Fields. Walailak Journal of Science and Technology (WJST), [S. l.], v. 3, n. 1, p. 51–68, 2011. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/149. Acesso em: 30 apr. 2024.