Millatana ME. The Impact Of Blended Learning Method Employing Google Classroom On The Improvement Of Student Learning Achievement On The Topic Of Matrix In Class XI IPS 1 SMA Negeri 7 Yogyakarta. ideguru [Internet]. 2019Nov.1 [cited 2024Apr.19];4(2):76-5. Available from: https://jurnal-dikpora.jogjaprov.go.id/index.php/jurnalideguru/article/view/97