Yusuf, M., Subagya, I. Maulana, and M. K. Budiarto. “Implementation of PBL and IBL Models Assisted by Video Media to Improve Critical Thinking Skills”. Jurnal Ilmiah Sekolah Dasar, vol. 6, no. 3, Dec. 2022, pp. 375-84, doi:10.23887/jisd.v6i3.47949.