Hong, Trinh, and Duong Thu Ly. “STUDYING ON LACTIC BACTERIA IN YOGHURT AND USING THEM TO MAKE SOYA YOGHURT”. Science and Technology Development Journal 7, no. 4&5 (May 31, 2004): 61-69. Accessed July 3, 2024. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3197.