Thao, Nguyen, 		Linh, Do, 		Mai, Dinh, 		Hai, Pham, AND 		Minh, Nguyen.
" Solid Fermentation of Bacillus thuringiensis: Method Development" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 37 Number 4 (7 December 2021)