Pham, D., Vu, D. and Le, T. 2011. PREPARATION SOME ACID-ACTIVATED MONTMORILLONITES FROM CU CHI CLAY AND USING AS CATALYST IN ONE-POT CONVERSION OF BENZALDEHYDE INTO BENZONITRILE. VNUHCM Journal of Science and Technology Development. 14, 4 (Dec. 2011), 43-53. DOI:https://doi.org/https://doi.org/10.32508/stdj.v14i4.2047.