Octavianna, yessy octavianna, Pakpahan, J., & Sidabutar, U. (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), 150–171. https://doi.org/10.61978/eduscape.v2i3.254