Kurniawan, Kevin, Lili Ayu Wulandhari, and Antonius Rildo Pramudya Gondosiswojo. 2023. “Facial Expression Recognition InCovid-19 Pandemic EraUsing 2 Stage Convolutional Neural Network”. Jurnal Sistem Komputer Dan Informatika (JSON) 5 (1):102-11. https://doi.org/10.30865/json.v5i1.6768.