N. K. Intan Wahyuni, I. M. Suarjana, and D. A. Puteri Handayani, “Development Of Video Learning Based On The Indonesian Language Signing System (SIBI) Method For Class II Deaf Chill At SDN 2 Bengkala Academic Year 2022/2023”, JPAI, vol. 5, no. 3, Aug. 2023.