@article{article93835b06,
title   = {Ripening of household slow sand filter by adding fish food},
author = {Calixto, Kalyl Gomes and Sabogal-Paz, Lyda Patricia and Pozzi, Eloisa and Campos, Luiza Cintra},
year = {2020},
doi = {10.2166/washdev.2020.143},
journal   = {Journal of Water, Sanitation and Hygiene for Development}
}