Tarafder, M T H, M Shamsul Islam, s c pal, and M R R Khan. 2001. “SOME ORGANOPEROXO COMPLEXES OF ZIRCONIUM (IV), THORIUM (IV) AND URANIUM (VI)”. Biological Sciences - PJSIR 44 (4):198-202. https://v2.pjsir.org/index.php/biological-sciences/article/view/1924.