SIRIRAK, J.; WORAWANNOTAI, N.; SUWANCHAWALIT, C.; CHAYABUTRA, S. Preparation and characterization of lake pigments from sappan wood using Thai local clays. Journal of Metals, Materials and Minerals, Bangkok, Thailand, v. 30, n. 1, 2020. DOI: 10.55713/jmmm.v30i1.560. Disponível em: https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/560. Acesso em: 28 sep. 2022.