Sofyan, S. “Efforts To Improve Civics Education Learning Achievement Through Learning Method C Ooperatif Model Stad (Student Teams Achievement Division) In Class Student Of X Sm A Negeri 2 Sutera Year Lesson 2016”. Jurnal Ilmiah Pendidikan Scholastic, vol. 1, no. 2, Oct. 2018, pp. 97-107, doi:10.36057/jips.v1i2.252.