OXIDATION OF 1-PHENYLETHANOL WITH NITRATE METAL, KMnO4 ON ACID-ACTIVATED BENTONITE - Viet Hoa, Tran; Son Lam, Ho; Boi Chau, Tran; Khanh Duy, Huynh; Thanh Vu, Tran (VNUHCM Journal of Science and Technology Development, 2006)