Yuliyanto, A., Eriesta, D. H. P., & Setyowati, S. (2024). GASING method to improve basic calculation of multiplication in mathematics for third-grade elementary school. Jurnal Pembangunan Pendidikan: Fondasi Dan Aplikasi, 11(1), 90–102. https://doi.org/10.21831/jppfa.v11i1.66128