Tran Thi Ngoc Bich, and Do Thi Thuy Van. “ RESEARCH ON EXTRACTION AND DETERMINATION OF CHEMICAL COMPOSITION OF ESSENTIAL OIL FROM PERILLA LEAVES IN QUANG NAM”. UED Journal of Social Sciences, Humanities and Education 7, no. 3 (September 30, 2017): 1-5. Accessed December 22, 2024. https://jshe.vn/index.php/jshe/article/view/779.