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		Fauzi S, M. Mahfudz, 		Sutarno, Sutarno, AND 		Suyanta, Suyanta.
" PENGARUH WAKTU SONIKASI SELAMA SINTESIS TERHADAP KRISTALINITAS MCM-41 BERBASIS SILIKAT" <em>CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry)</em> [Online], Volume 5 Number 2 (22 December 2017)