Astutik, Yuli, Mahalia Rahma Yuditia Putri, Febiola Chintya Dewi, Irnawati Irnawati, and Mahfud Mahfud. “Analysis of Student Perceptions Toward Ijen Geopark Project-Based Learning at SMKS 17 Agustus 1945 Cluring”. Assyfa Learning Journal 3, no. 1 (January 21, 2025): 95–104. Accessed October 30, 2026. https://journal.assyfa.com/index.php/alj/article/view/1235.