“Thermodynamic Study of Para Nitro Aniline (PNA) Adsorption Using Kaolin Clay”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 27, no. 3 (July 25, 2019): 352–356. Accessed May 25, 2025. https://www.journalofbabylon.com/index.php/JUBPAS/article/view/2522.