Tamalene H, Jabar ES. Perbandingan Model Pembelajaran Numbered Head Together (NHT) dan Direct Instruction (DI) terhadap Kemampuan Pemecahan Masalah Matematis Siswa SMK pada Materi Program Linear. jpmu [Internet]. 15Apr.2026 [cited 24May2026];7(1):48-5. Available from: https://ojs3.unpatti.ac.id/index.php/jpmu/article/view/25646