Syukur, Helmi. “Building Up Students’ Speaking Achivement Through Jigsaw Technique”. Jurnal Adabiyah 16, no. 2 (December 3, 2016): 122-137. Accessed April 4, 2025. https://journal3.uin-alauddin.ac.id/index.php/adabiyah/article/view/1699.