Masruroh, Y. et al. 2022. English Language Learning Achievement in Public Middle-School 1 Kertanegara: The Effects of "Jigsaw" Method. ETDC: Indonesian Journal of Research and Educational Review . 1, 4 (Sep. 2022), 571–580. DOI:https://doi.org/10.51574/ijrer.v1i4.371.