Octavianna, yessy octavianna et al. 2024. Problem Based Learning’s Effect in Understanding of Idioms Found on Agatha Christine’s Novel at SMAN 1 Onanrunggu. Eduscape : Journal of Education Insight. 2, 3 (Jul. 2024), 150–171. DOI:https://doi.org/10.61978/eduscape.v2i3.254.