Prototipo de bastón inteligente para invidentes. Journal on studies and research of academic knowledge, Itapúa, PY, n. 9, p. 44–47, 2015. DOI: 10.70833/rseisa9item140. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/140. Acesso em: 21 oct. 2025.