Hutasuhut, Y. S. ., and A. . Minarni. “Pengaruh Pembelajaran Open Ended Berbantuan Google Classroom Terhadap Kemampuan Pemahaman Konsep Matematis Siswa Junior High School Negeri 1 Bilah Hilir”. Continuous Education: Journal of Science and Research, vol. 4, no. 1, Apr. 2023, pp. 30-39, doi:10.51178/ce.v4i1.1297.