Hadi, Syamsul, Ach. Muhib Zainuri, Nurhadi Nurhadi, Nurchajat Nurchajat, and Purwoko Purwoko. “Rancang Bangun Portal Penggerak Roda Gigi Di Malang”. JURNAL PENGABDIAN KEPADA MASYARAKAT 15, no. 2 (December 10, 2025). Accessed December 28, 2025. http://ojs.uninus.ac.id/JPKM/article/view/3826.