HOÀNG THỊ , C. Improving teaching capacity in the subject of natural sciences For secondary school teachers. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY, [S. l.], v. 4, n. 8, p. 69–74, 2021. DOI: 10.51453/2354-1431/2018/197. Disponível em: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/197. Acesso em: 3 may. 2024.