Octavianna yessy octavianna, Pakpahan J, Sidabutar U. Problem Based Learning’s Effect in Understanding of Idioms Found on Agatha Christine’s Novel at SMAN 1 Onanrunggu. eduscape [Internet]. 2024 Jul. 23 [cited 2025 Nov. 9];2(3):150-71. Available from: https://journal.idscipub.com/index.php/eduscape/article/view/254