., D.; RIYADI, S. .; ., A.; SIBUEA, A. M.; NAPITUPULU, E. .; DONGORAN, P. . Implementation of Collaborative Learning Based Onenvironmental Projects Building Solution of Students Learning Cracter for Covid-19 Pandemic Time in Padangsidimpuan City. KnE Social Sciences, [S. l.], v. 8, n. 4, p. 151–157, 2023. DOI: 10.18502/kss.v8i4.12894. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/12894. Acesso em: 13 may. 2025.