Lưu Hồng, Sơn. “RESEARCH OF EXTRACTION PROCESS AND CHEMICAL COMPOSITION OF Pluchea Indica (L.) Less. ESSENTIAL OIL IN THAI NGUYEN”. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 8, no. 3 (November 17, 2022). Accessed November 23, 2024. https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/806.