Photo degradation of Lanthanum (III) Complex with 1, 2 , 4-Thiadiazole in Dimethyl Sulsoxide ( DMSO ) Solvent. cbej [Internet]. 2022 Dec. 26 [cited 2024 Jul. 19];21(87):169-82. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8863