PENGARUH MODEL PEMBELAJARAN CORE (Connecting, Organizing, Reflecting, Extending) TERHADAP PEMECAHAN BARIS DAN DERET MATEMATIKA. j.ilm.Sains.Teknologi. 2019;2(1):26-36. Accessed June 23, 2025. https://ejournal.lppm-unbaja.ac.id/index.php/saintek/article/view/461