“REACTION OF Currn COMPLEX OF PHTHALIC HYDRAZIDE WITH OXYGEN AND NITROGEN DONOR LIGANDS”. Biological Sciences - PJSIR 37, no. 3 (February 21, 1994): 83–87. Accessed April 25, 2026. http://www.v2.pjsir.org/index.php/biological-sciences/article/view/2585.