EMAM, M.E.M., I.M.M. KENAwy, Y.A. ELEWADY, and A. ABDEL- HAMID. “?THERMODYNAMIC PARAMETERS AND STABILITIES OF SOME RARE-EARTH METAL ION CHELATES OF a-VALINE”. Biological Sciences - PJSIR 37, no. 1-2 (January 24, 1994): 12–17. Accessed July 3, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/2561.