Lubis, Nurul Hulaimi Zamaluddin, and Nur Maslikhatun Nisak. “Application of the Project Citizen Learning Model in Developing Social Intelligence Elementary School Students in Grade 5 and 6: Penerapan Model Pembelajaran Project Citizen Dalam Mengembangkan Kecerdasan Sosial Siswa Kelas 5 Dan 6 SD”. Academia Open 4 (October 21, 2021): 10.21070/acopen.4.2021.3016. Accessed September 4, 2025. https://acopen.umsida.ac.id/index.php/acopen/article/view/3016.