Quang, Nguyen Huu. 2023. “The Application Based on Google Maps API to Find and Manage Blood Donation Volunteers”. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY 13 (1):52-63. https://doi.org/10.46223/HCMCOUJS.tech.en.13.1.2647.2023.