@incollection{Maharjan20,
author = {Namita Maharjan and Choolaka Hewawasam and Masashi Hatamoto and Takashi Yamaguchi and Hideki Harada and Nobuo Araki},
title = {Downflow Hanging Sponge System: A Self-Sustaining Option for Wastewater Treatment},
booktitle = {Promising Techniques for Wastewater Treatment and Water Quality Assessment},
publisher = {IntechOpen},
address = {Rijeka},
year = {2020},
editor = {Iqbal Ahmed Moujdin and J. Kevin Summers},
chapter = {21},
doi = {10.5772/intechopen.94287},
url = {https://doi.org/10.5772/intechopen.94287}
}