Habeahan, S. ., Salwa Annisa Siregar, P. ., & Hodriani, H. (2021). The Role Of Ppkn Learning In Improving Morality As A Prevention Alternative Student’s Delivery In Sma Negeri 1 Bangun Ancient Year Of Study 2020/2021. International Journal of Educational Research &Amp; Social Sciences, 2(6), 1704–1711. https://doi.org/10.51601/ijersc.v2i6.314