Liévano, Katherine. «Is Volunteered Geographical Information (VGI) a Better Option for Developing Countries Like Panama Than for Developed Countries Like the United States?». Latitude, no. 9 (noviembre 27, 2016): 5–11. Accedido abril 26, 2024. https://revistas.qlu.ac.pa/index.php/latitude/article/view/136.