Sari, D. W., and A. Kistian. “Pengaruh Model Pembelajaraninquirytraining Berbasis Kolaboratif Terhadap Keterampilan Proses Sains Materi Sumber Daya Alam Di SD Methodist 1 Medan”. Jurnal Ilmiah Aquinas, vol. 3, no. 2, July 2020, pp. 231-48, https://ejournal.ust.ac.id/index.php/Aquinas/article/view/755.