Implementation and Evaluation of a Simple On-Device Facial Expression Recognition App Using MIT App Inventor and Personal Image Classifier. NextGen Innovations in Computing and Technology, [S. l.], v. 1, n. 1, p. 1–10, 2026. Disponível em: https://journal.arfadigitech.com/nict/article/view/66. Acesso em: 4 feb. 2026.