Pagampa, Y. I., Siumarlata, V. and 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), pp. 109–119. doi: 10.30605/jsgp.6.1.2023.6297.