BISRI, U. R. (1990). Bahan galian industri kaolin.
Chicago Style CitationBISRI, Uun; Riyanto. Bahan Galian Industri Kaolin. 1990.
MLA CitationBISRI, Uun; Riyanto. Bahan Galian Industri Kaolin. 1990.
Warning: These citations may not always be 100% accurate.