Fitri, Yolanda Idha, Yeka Hendriyani, Muhammad Giatman, and Resmi Darni. “Designing PBL-Based Mobile Learning: A Needs Analysis for Enhancing 21st Century Skills in Vocational Schools”. AL-ISHLAH: Jurnal Pendidikan 17, no. 2 (July 1, 2025): 3612–3622. Accessed October 13, 2026. https://www.alishlah.ahfpublishing.id/alishlah/article/view/6699.