Nisa, K., & Amin, Z. (2023). The Influence of the Project Based Learning (PjBL) Learning Model in Civics Subjects on the Development of Students’ Civic Skills at SMP Muhammadiyah 19 Pematangsiantar TP. 2022/2023. Holistic Science, 3(2), 106–112. https://doi.org/10.56495/hs.v3i2.387