SUMBUNG, E. Meningkatkan aktivitas dan hasil belajar PPKn menggunakan metode guru tamu studi ekskursi. Indonesian Journal of Educational Development (IJED), [S. l.], v. 1, n. 3, p. 455–463, 2020. DOI: 10.5281/zenodo.4285616. Disponível em: https://ojs.mahadewa.ac.id/index.php/ijed/article/view/780. Acesso em: 11 sep. 2025.