Pariadi NWR, Sajarun RDJ. Peningkatan Motivasi Belajar Siswa Kelas XI IPA Melalui Penerapan Model Cooperative Learning Tipe Numbered Heads Together pada Materi Struktur dan Fungsi Tumbuhan. JPMS [Internet]. 2015 Dec. 27 [cited 2025 Jul. 2];3(2):156-62. Available from: https://journal.uny.ac.id/index.php/jpms/article/view/10947