ADAMS, L. A.; ESSIEN, E.; AIYELORO, T.; OSEYOMON, S.; MAKANJUOLA, J. Facile purification of locally mined gypsum and its use for preparing nano-hemihydrates. Journal of Metals, Materials and Minerals, Bangkok, Thailand, v. 31, n. 3, p. 106-110, 2021. Disponível em: http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/1119. Acesso em: 2 dec. 2021.