SIQUEIRA, Paulo. Teaching Topographic Surface Concepts in Augmented Reality and Virtual Reality Web Environments. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 7, n. 10, p. 307–320, 2019. DOI: 10.31686/ijier.vol7.iss10.1776. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/1776.. Acesso em: 8 may. 2024.