Nga, Cu Thi Viet, Trinh Thanh Son, Nguyen Thi Ngoc Bich, Hoang Thi Phuong, Luong Van Tuyen, Bui Thi Huong, and Phan Vu Anh. 2013. “Some Research Results on the Synthesis and Evaluation of the Quality of Scleroglucan Used in the Oil Industry”. Petrovietnam Journal 5 (May), 36-42. https://www.pvj.vn/index.php/TCDK/article/view/663.