Adi Saputra PR, Sariyasa S, Suparta IN. MURDER Cooperative Learning Model through Edmodo Toward Mathematics Problem Solving and Motivation of Students. Int. J. Emerg. Math. Educ. [Internet]. 2020 Dec. 21 [cited 2024 Nov. 23];4(1):43-52. Available from: https://journal.uad.ac.id/index.php/IJEME/article/view/15845