Masruroh Y, Iskandar, Fatmasari E. English Language Learning Achievement in Public Middle-School 1 Kertanegara: The Effects of "Jigsaw" Method. IJRER [Internet]. 2022 Sep. 27 [cited 2025 Jul. 30];1(4):571-80. Available from: https://etdci.org/journal/ijrer/article/view/371