Mubarak, Yousef. “Integrated Process for Potassium Sulfate and a Mixture Of Ammonium Chloride Potassium Sulfate Salts Production”. International Journal of Engineering & Technology 7, no. 1 (February 25, 2018): 185–197. Accessed May 4, 2024. https://sciencepubco.com/index.php/ijet/article/view/9188.