Imron, Ilmawati Fahmi, and Kukuh Andri Aka. 2018. “Peningkatan Kemampuan Menganalisis Fenomena Sosial Dengan Penerapan Model Problem Based Learning: Improved Ability to Analyze Social Phenomena by Applying Problem Based Learning Model”. Pedagogia : Jurnal Pendidikan 7 (2):102-10. https://doi.org/10.21070/pedagogia.v7i2.1569.