Islam, M Shamsul, M T II Tarafder, and M R R Khan. “SOME MIXED LIGAND COMPLEXES OF ZIRCONIUM (IV), THORIUM (IV) AND -URANIUM (VI)?? ? ?????????? ? ?? ? Short communication? ?”. Biological Sciences - PJSIR 42, no. 3 (June 21, 1999): 130–132. Accessed November 22, 2024. http://v2.pjsir.org/index.php/biological-sciences/article/view/2133.