Haryanti, Yuyun Dwi. “Internalisasi Nilai Kerjasama Dalam Model Project Based Learning”. Jurnal Pendidikan Dasar 1, no. 1 (February 16, 2021): 1-11. Accessed April 11, 2025. https://ebook.umpwr.ac.id/index.php/jpd/article/view/899.