Intan Wahyuni, N. K., Suarjana, I. M., & Puteri Handayani, D. A. (2023). 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. Journal of Psychology and Instruction, 5(3). https://doi.org/10.23887/jpai.v5i3.64832 (Original work published July 9, 2023)