Singh, M. “Studies of Molecular Interactions of ?-Amino Acids in Aqueous and Cationic Surfactant Systems Investigated from Their Densities and Apparent Molal Volumes at 283.15, 288.15 and 293.15 K”. Biological Sciences - PJSIR, vol. 48, no. 5, Oct. 2005, pp. 303-11, https://v2.pjsir.org/index.php/biological-sciences/article/view/1401.