Toktarbay, Zh., Zh. Ospanova, and K. Musabekov. “Colloid-Chemical Properties of the Black Soap Made by the National Way”. Chemical Bulletin of Kazakh National University 65, no. 1 (March 31, 2012): 419-423. Accessed November 22, 2024. https://chemistry.kz/bulletin/index.php/kaznu/article/view/462.