https://www.tanira-pumps.com/
Tanira well pumps | The leading direct-Action Handpump for rural areas
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https://pmc.ncbi.nlm.nih.gov/articles/PMC10582144/
Sand dam contributions to year-round water security monitored through telemetered handpump data -...
Sand dams are a form of rainwater harvesting, prolific in arid and semi-arid lands. Water is provided partly via handpumps, which, as the only improved method...
https://water.stanford.edu/publications/whd-publications/inter-and-intra-rater-reliability-handpump-functionality-field-tests
Inter- and intra-rater reliability of handpump functionality field tests | Water Programs