Meningkatkan Kerjasama Siswa Melalui Model Pembelajaran Berbasis Proyek Tema Ekosistem. Ind. Jou. Edu. Rsc [Internet]. 2020 Jun. 30 [cited 2026 May 25];1(3):94-8. Available from: https://cahaya-ic.com/index.php/IJoER/article/view/664