., Darwis; RIYADI, Slamet; ., Abubakar; SIBUEA, Abdul Muin; NAPITUPULU, Efendi; DONGORAN, Putoro. 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: 11 oct. 2025.