NGO, Thanh Phong. Middle income trap - identification and solutions in Vietnam. Dong Thap University Journal of Science, [S. l.], n. 15, p. 68–72, 2015. DOI: 10.52714/dthu.15.8.2015.248. Disponível em: https://dthujs.vn/index.php/dthujs/article/view/1041. Acesso em: 19 sep. 2024.