Alfian, F. R. ., Faiq, F. Y. ., Rizaldy, R. . and Haq, K. U. (2024) “Semi-empirical study of acetic acid esterification and methyl ester transesterification reactions with Nafion catalyst using PM7 level of theory”, Journal of Bio-molecule Research And Engineering, 1(2), pp. 73–88. doi: 10.20473/jbiome.v1i2.51930.