PENGARUH PERAN GURU TERHADAP PEMECAHAN BARISAN DAN DERET MATEMATIKA. j.ilm.Sains.Teknologi [Internet]. 2019 Feb. 22 [cited 2025 Jun. 23];3(1):59-77. Available from: https://ejournal.lppm-unbaja.ac.id/index.php/saintek/article/view/428