Othman, Muhamad Fitri, Nornizar Anuar, Noor Fitrah Bakar, and Norazah Rahman. “Influence of Amino Acid Additives on Solution Behaviour of L-Alanine”. Chemical Engineering Research Bulletin 20, no. 1 (June 6, 2018): 23-29. Accessed July 11, 2020. https://www.banglajol.info/index.php/CERB/article/view/36927.