Mutia Poppy Berliani, Sholihatin Nasihah, and Rifa’ Syahidah, “Analisis Semiotika Ekspresi Wajah dalam Sitkom Friends Episode ‘The One with the Girl Who Hits Joey’ Berdasarkan FACS Paul Ekman”, BLAZE, vol. 3, no. 3, pp. 01–06, Jun. 2025.