Chotiwong, . C. . ., and J. . . Srichompu. “Business Management Model for the Biochemical Industry”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, vol. 41, no. 2, June 2021, pp. 34-49, https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/244705.