Andriessen, N., Appiah-Effah, E., Browne, S. J. I., al Jahjah, R., Kabika, J., Kinobe, J. R., … Strande, L. (2023). Quantities and qualities of fecal sludge: experiences from field implementation with a Volaser in 7 countries during a pandemic. Frontiers in Water, 5, 1130081 (14 pp.). https://doi.org/10.3389/frwa.2023.1130081