RADITYA, I. K. S.; SUJANA, I. W. . Media Pembelajaran Flipbook Berbasis Problem Solving Pada Muatan Materi Peristiwa Proklamasi Kemerdekaan Indonesia. Indonesian Journal of Instruction, [S. l.], v. 2, n. 3, p. 92–102, 2021. DOI: 10.23887/iji.v2i3.50948. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJI/article/view/50948. Acesso em: 19 mei. 2024.