Jumneansuk, A., Plalungrit, S., Dangkrajang, S., Tongyoo, A., Dechboon, P., Pathomrotsakul, J., Arsa, R. and Prasert, V. 2022. The Prevent-U Application: Developing Mobile Phone Application for Elderly with Risk of Hypertension in Thailand (Study Protocol). International Journal of Geoinformatics. 18, 3 (Jun. 2022), 100–110. DOI:https://doi.org/10.52939/ijg.v18i3.2209.