W ABD RAHMAN, WAN NUR AZLIN; R. HAMDAN. Nitrification-denitrification Process in a Combined AVFF and UAHFF System for Ammonia Removal. Recent Trends in Civil Engineering and Built Environment, [S. l.], v. 2, n. 1, p. 438–446, 2021. Disponível em: https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1571. Acesso em: 9 apr. 2026.