KURNIAWAN, Kevin; WULANDHARI, Lili Ayu; GONDOSISWOJO, Antonius Rildo Pramudya. Facial Expression Recognition inCovid-19 Pandemic EraUsing 2 Stage Convolutional Neural Network. Jurnal Sistem Komputer dan Informatika (JSON), [S. l.], v. 5, n. 1, p. 102–111, 2023. DOI: 10.30865/json.v5i1.6768. Disponível em: https://ejurnal.stmik-budidarma.ac.id/index.php/JSON/article/view/6768. Acesso em: 28 oct. 2025.