Habeahan, Sampitmo, Putri Salwa Annisa Siregar, and Hodriani Hodriani. 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):1704-11. https://doi.org/10.51601/ijersc.v2i6.314.