LE NHU, Da; NGUYEN THI MAI, Huong; HOANG THI THU, Ha; DUONG THI, Thuy; PHUNG THI XUAN, Binh; PHAM THI MAI, Huong; PHAM THI MINH, Hanh; LE THI PHUONG, Quynh. Faecal contamination and its relationship with some environmental variables of four urban rivers in inner Hanoi city, Vietnam . <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 46, n. 1, p. 34–47, 2023. DOI: 10.15625/2615-9783/19327. Disponível em: http://vjes.vast.vn/jse/article/view/19327. Acesso em: 8 nov. 2025.