Bazeera, A., S. Selvaraj, and A. Mohamed. “FIRST ORDER HYPERPOLARIZABILITY, HOMO-LUMO AND VIBRATIONAL ANALYSIS OF LISOLEUCINE, L-ISOLEUCINE MALEATE (LIM) AND L-ISOLEUCINE OXALATE (LIO) BY DFT METHODS”. Journal of Advanced Scientific Research, Vol. 11, no. 01, Feb. 2020, pp. 88-93, https://sciensage.info/index.php/JASR/article/view/414.