Supara Tokunalai. 1999. Intercalation in some clay minerals. Faculty of Graduate Studies, Mahidol University;
Supara Tokunalai. (1999) Intercalation in some clay minerals . Mahidol University/Bangkok.
Supara Tokunalai. Intercalation in some clay minerals. . Bangkok:Mahidol University, 1999.
Supara Tokunalai. (1999) Intercalation in some clay minerals . Mahidol University/Bangkok.