Taher, Mahmoud Abd El-Daim El-. “?RETARDING EFFECT OF Ce(IV), Ce(III), Cu(II)AND Zn(II) AS ACCEPTOR CENTERS ON THE HYDROLYSIS RATE OF H2SALEN”. Biological Sciences - PJSIR 42, no. 2 (April 19, 1999): 78–82. Accessed November 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/2116.