Rahmi, Ennike Gusti, and Rini Silvina. “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 Pendidikan dan Keguruan 10, no. 2 (October 15, 2019): 1–6. Accessed May 2, 2024. https://journal.uir.ac.id/index.php/Perspektif/article/view/3929.