Nguyễn Thị, Hoa, Tuấn Nguyễn Thương, and Đại Trần Đức. “STUDY ON CHEMICAL COMPOSITION OF THE LEAVES OF RICINUS COMMUNIS IN SON DUONG DISTRICT, TUYEN QUANG PROVINCE, VIETNAM”. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 7, no. 21 (August 17, 2021). Accessed April 27, 2024. https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/554.