Andr L. M. Porto, and Sandra Ribeiro. 2014. “Analysis by GC-MS of an Aza-Michael Reaction Catalyzed by CALB on an Orbital Shaker and under Microwave Irradiation”. Global Journal of Science Frontier Research 14 (B1):7-21. https://journalofscience.org/index.php/GJSFR/article/view/1074.