Jumneansuk, A., S. Plalungrit, S. Dangkrajang, A. Tongyoo, P. Dechboon, J. Pathomrotsakul, R. Arsa, and V. Prasert. 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):100-110. https://doi.org/10.52939/ijg.v18i3.2209.