Loupatty, Fredrik David, and Melda Jaya Saragih. 2021. “PEMANFAATAN MEDIA QUIZIZZ PADA LATIHAN SOAL UNTUK MENDORONG KEAKTIFAN BELAJAR SISWA DALAM PEMBELAJARAN DARING [THE UTILIZATION OF QUIZIZZ MEDIA IN PROBLEMS TO IMPROVE STUDENTS’ LEARNING ACTIVENESS IN ONLINE LEARNING]”. JOHME: Journal of Holistic Mathematics Education 5 (2):260-78. https://doi.org/10.19166/johme.v5i2.2841.