Samo, Damianus Dao, Wara Sabon Dominikus, Juliana Mehelina Herlince Nenohai, Irna Karlina Sensiana Blegur, and Yohanes Hariaman Nada. “Effectiveness of Goal Free Problems for Students With Learning Experience”. Al-Fikru : Jurnal Pendidikan Dan Sains 5, no. 2 (December 19, 2024): 325–334. Accessed August 3, 2025. https://ejournal.unzah.ac.id/index.php/alfikru/article/view/1813.