Yandi, Refi Putra, et al. “Integrating IoT-Based Predictive Maintenance into Motorcycle Engineering Instruction: Effects on Vocational Students’ Diagnostic Competence”. AL-ISHLAH: Jurnal Pendidikan, vol. 18, no. 1, Mar. 2026, pp. 655-70, doi:10.35445/alishlah.v18i1.9472.