“?THERMODYNAMIC PARAMETERS AND STABILITIES OF SOME RARE-EARTH METAL ION CHELATES OF a-VALINE”, Pakistan Journal of Scientific & Industrial Research, vol. 37, no. 1-2, pp. 12–17, Jan. 1994, Accessed: Mar. 10, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/2561