SISKAWARDANI, D. D.; ONTHONG, J. .; KHAWMEE, . K.; POONPAKDEE, C. . Manganese status in upland and lowland rubber-growing soils in Songkhla province, southern Thailand. Agriculture and Natural Resources, Bangkok, Thailand, v. 50, n. 4, p. 321–325, 2016. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/244049. Acesso em: 29 apr. 2024.