Octavianna, yessy octavianna, Pakpahan, J. and 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), pp. 150–171. doi: 10.61978/eduscape.v2i3.254.