Hatta, Hatta, et al. “Pedal Powered Water Pump Application To Support Irrigation Activities In Carat Village, Gempol District, Pasuruan Regency, East Java Province”. Kontribusia : Research Dissemination for Community Development, vol. 2, no. 2, Sept. 2019, pp. 1-4, doi:10.30587/kontribusia.v2i2.999.