MIAH, M. J., M. ISLAM, S. PAL, and T. BARMA. “?PREPARATION AND CHARACTERISATION OF MIXED LIGAND COMPLEXES OF Co(III), Fe(III), and Cr(III) CONTAINING PHTHALIMIDE AND PHENOLS”. Biological Sciences - PJSIR, vol. 39, no. 5-8, Aug. 1996, pp. 106-9, https://v2.pjsir.org/index.php/biological-sciences/article/view/2384.