HUU TUNG, Nguyen. Design heat exchanger network by graph method. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 50, n. 1, p. 123–130, 2017. DOI: 10.15625/0866-708X/50/1/9481. Disponível em: https://vjs.ac.vn/jst/article/view/9481. Acesso em: 10 jan. 2026.