Pagampa, Y. I., Siumarlata, V., & Arrang, J. R. T. (2023). The Teacher’s Challenges of the Implementation of Problem-Based Learning in Teaching English at SMKN 1 Toraja Utara. Jurnal Studi Guru Dan Pembelajaran, 6(1), 109–119. https://doi.org/10.30605/jsgp.6.1.2023.6297