Oktavihari D, Effendi MM, Susanti RD. Application of student worksheet to see understanding mathematical concepts & communication skills. Math Didactic [Internet]. 30 Desember 2019 [dikutip 1 Juli 2025];5(3):269-86. Tersedia pada: https://jurnal.stkipbjm.ac.id/index.php/math/article/view/762