ANALISIS PEMAHAMAN KONSEP MATEMATIS SISWA PADA SOAL GARIS DAN SUDUT BERBASIS CONTEXTUAL TEACHING AND LEARNING (CTL) DI SMP NEGERI 11 SUNGAI AMBAWANG. JPPM [Internet]. 2022 Jul. 8 [cited 2025 Sep. 8];4(2):417-31. Available from: http://jurnal.mipatek.ikippgriptk.ac.id/index.php/JPPM/article/view/420