Nababan, Widia Wuduri C.S, Della Novita Butarbutar, and Paska Marto Hasugian. “Real-Time Landmark-Based Face Analysis for Expression and Gender Classification”. Journal Majelis Paspama 4, no. 01 (January 31, 2026): 140–148. Accessed June 3, 2026. https://paspama.org/index.php/majelis/article/view/255.