Prasetyo, D. Y., Asniati Bindas, Muhammad Akbar and Muhammad Iqbal (2024) “AUDIO-VISUAL LEARNING MEDIA USING PECS (PICTURE EXCHANGE COMMUNICATION SYSTEM) METHOD IN PUBLIC SPECIAL SCHOOL (SLBN) 033 TEMBILAHAN”, JURNAL PERANGKAT LUNAK, 6(2), pp. 333-340. doi: 10.32520/jupel.v6i2.3440.