Walid A. Improving Conceptual Understanding of Mathematics Through Blended Learning Using Google Classroom. Int. J. educ. Teach. Zone [Internet]. 2023 Feb. 2 [cited 2026 Apr. 17];2(1):130-8. Available from: https://jurnal.yayasannurulyakin.sch.id/index.php/ijetz/article/view/122