Sh. N, F. ., & G, E. (2018). The Integration of Problematic Teaching Method and Innovation in Education: Integrasi Metode Pengajaran Bermasalah dan Inovasi dalam Pendidikan. Madrosatuna: Journal of Islamic Elementary School, 2(2), 39–44. https://doi.org/10.21070/madrosatuna.v2i2.1968