Manalu, S. ., Setiawan, D., & Saragi, D. . (2021). THE EFFECT OF HEURISTIC STRATEGIES AND CRITICAL THINKING ABILITY ON STUDENT LEARNING OUTCOMES OF THE VALUES OF PANCASILA ON PPKN SUBJECTS CLASS VI SD SWASTA HKBP 2 SIDORAME, MEDAN. Sensei International Journal of Education and Linguistic, 1(2), 543–557. https://doi.org/10.53768/sijel.v1i2.40