ANDINI, K. P.; SUPRIYADI. Analysis of the Application of the Project-Based Learning Model in Improving the Mutual Cooperation Attitude of Primary School Students: Analisis Penerapan Model Pembelajaran Berbasis Proyek dalam Meningkatkan Sikap Gotong Royong Siswa Sekolah Dasar. Indonesian Journal of Education Methods Development, [S. l.], v. 21, n. 1, p. 10.21070/ijemd.v21i1.1090, 2026. DOI: 10.21070/ijemd.v21i1.1090. Disponível em: https://ijemd.umsida.ac.id/index.php/ijemd/article/view/1090. Acesso em: 27 sep. 2026.