Mubarak, A Faizul. “Konsep Penilaian Berbasis Portofolio Dalam Proses Pembelajaraan: Abstrak”. Nusantara Journal of Islamic Studies 2, no. 1 (March 20, 2021): 12-17. Accessed May 5, 2024. https://ejournal.kopertais4.or.id/tapalkuda/index.php/NJIS/article/view/4208.