Widjaja, Suhendri. “Geographic Information System for the Location Veterinarians Based on Android”. Journal of Computer Scine and Information Technology 7, no. 3 (July 31, 2021): 59–63. Accessed September 8, 2026. https://jcsitech-upiyptk.org/ojs/index.php/jcsitech/article/view/10.