Aryani, I. K., Purwandari, R. D., & Priyanto, E. . (2022). RADEC LEARNING MODEL IN AN EFFORT TO IMPROVE CRITICAL THINKING SKILLS IN CITIZENSHIP EDUCATION LEARNING AT MUHAMMADIYAH SMP, SUMBANG. KOLONI, 1(2), 495–502. https://doi.org/10.31004/koloni.v1i2.96