Sitohang, Gabriella Jessi, Ati Sumiati, and Santi Susanti. 2021. “The Effect of Problem Based Instruction Model Based on Learning Video and Educational Games Media on the Self Efficacy of Students of Class X SMK N 17 Jakarta”. Journal Corner of Education, Linguistics, and Literature 1 (2):106-13. https://doi.org/10.54012/jcell.v1i2.9.