Ika Hari Diah Kristanti, Ira Wulan Sari, Fanny Adibah, Nawang Wulan. PENERAPAN MODEL KOOPERATIF TIPE NUMBERED HEADS TOGETHER PADA MATERI LIMIT FUNGSI ALJABAR DI SMK . WIDYALOKA [Internet]. 2026 Jan. 25 [cited 2026 Apr. 17];13(1):15-28. Available from: http://jurnal.ikipwidyadarmasurabaya.ac.id/index.php/widyaloka/article/view/320