Nam, Hoang, and Le Minh Tam. “SEPARATION SULFAT FROM BITTERN BY CaCl2 SOLUTION”. Science and Technology Development Journal 10, no. 10 (October 31, 2007): 18-24. Accessed July 22, 2024. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2830.