HIỆP, Trịnh Hoàng. RESULTS OF RESEARCH INTO CO LOA CITADEL (2007 - 2014): MATERIALS AND DISCUSSION. Dalat University Journal of Science, Dalat, Vietnam, v. 9, n. 3, p. 98–123, 2019. DOI: 10.37569/DalatUniversity.9.3.560(2019). Disponível em: https://tckh.dlu.edu.vn/index.php/tckhdhdl/article/view/560.. Acesso em: 10 feb. 2025.