Widiyaningrum, K., Purwanta, E., & Parsi, P. (2019). Penumbuhan kemampuan berpikir kritis PKn melalui model numbered head together. Jurnal Civics: Media Kajian Kewarganegaraan, 16(2), 199–208. https://doi.org/10.21831/jc.v16i2.21518