Camilo Reynoso, William Ernesto, and Luis Joyanes Aguilar. “Traceability and Inventory Online by Integrating GPS and RFID in a Geographic Information System ¨GIS¨”. American Scientific Research Journal for Engineering, Technology, and Sciences 14, no. 1 (September 8, 2015): 107–118. Accessed September 15, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/919.