Bekti Yahrini. “Peningkatan Kualitas Pembelajaran Matematika Menggunakan Pendekatan Cooperative Learning Model STAD Di Smk Negeri 2 Wonosari”. Edugy: Jurnal Pendidikan IGI DIY 3, no. 2 (September 24, 2019): 1–7. Accessed January 9, 2026. https://edugy.my.id.ijarlit.org/index.php/edugy/article/view/8.