MANNAN, A.; HUSSAIN, S. . I.; EHSAN, S.; KHAN, M. . S. SPECTROSCOPIC AND CHEMICAL EVALUATION OF CLAY MINERALS AND THEIR SUITABILITY FOR THE MANUFACTURING OF ORGANIC CLAY, MEDICINAL CLAY AND PILLARED CLAY. Biological Sciences - PJSIR, [S. l.], v. 47, n. 6, p. 407–416, 2004. Disponível em: https://v2.pjsir.org/index.php/biological-sciences/article/view/1561. Acesso em: 21 may. 2024.