Oktaviani, Intan Wahyu, et al. “The Effectiveness of the Project-Based Learning Model in Enhancing 21st Century Competencies of Creative Thinking in Eighth-Grade Students on National Identity and Culture at SMP Negeri 1 Kebasen”. Proceedings Series on Social Sciences & Humanities, vol. 18, Sept. 2024, pp. 155-61, https://conferenceproceedings.ump.ac.id/pssh/article/view/1248.