Homhuan, S., S. Suwanprasit, C. Namwong, P. Khamnoi, R. Boonma, T. Mate, and N. Wanginkhom. “#Safe Mapping Platform: A GIS Mobile Crowd Sensing Platform for COVID-19 Self-Tracking and Self-Risk Managing”. International Journal of Geoinformatics 17, no. 5 (October 19, 2021): 55–60. Accessed May 1, 2024. https://journals.sfu.ca/ijg/index.php/journal/article/view/2009.