Rahmi EG, Silvina R. ANALISIS VALIDITAS TERHADAP PENGEMBANGAN PENUNTUN PRAKTIKUM IPA BERBASIS MODEL PEMBELAJARAN COLLABORATIVE TEAMWORK LEARNING (CTL) UNTUK SISWA SMPN SE KECAMATAN BONJOL KABUPATEN PASAMAN: (Analysis of the validity of the Development of Scientific Practicum Developers Based on Collaborative Teamwork Learning (CTL) Learning Models for Students SMPN, Bonjol Sub District, Pasaman District). Perspektif [Internet]. 2019 Oct. 15 [cited 2024 May 3];10(2):1-6. Available from: https://journal.uir.ac.id/index.php/Perspektif/article/view/3929