GAZA, Kevin C.; MIJARES, Baron Terence S.; RODEL, Christine Paula C.; AYO, Eliza B. Development of Retrievr: A Line-Of-Sight Beacon System for Autonomous Object Return in Indoor Workspaces. International Journal of Multidisciplinary: Applied Business and Education Research, Malang, Indonesia, v. 7, n. 5, p. 2088–2099, 2026. DOI: 10.11594/ijmaber.07.05.19. Disponível em: https://ijmaberjournal.org/index.php/ijmaber/article/view/3298. Acesso em: 23 may. 2026.