yaseen, MUHARAM_y. “Derivative Spectrophotometric Method for Simultaneous Determination the Residue of Carboxin, Chlorothalonil and Pyriproxyfen in Cabbage Samples Using Zero-Crossing Technique”. Academic Science Journal 1, no. 4 (October 1, 2023): 231–247. Accessed December 4, 2024. https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/60.