Sitepu SB. MENINGKATKAN HASIL BELAJAR SISWA MELALUI MODEL PEMBELAJARAN CONTEXTUAL TEACHING LEARNING (CTL) DI SMP NEGERI 1 PAYUNG. JH [Internet]. 2017 Jun. 30 [cited 2025 Jul. 5];5(1):160-7. Available from: https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/6502