Estiana, Illa, and Aldila Wanda Nugraha. 2025. “Pengembangan Media Ular Tangga Berbasis QR Code Materi Sumber Daya Alam”. El-Mujtama: Jurnal Pengabdian Masyarakat  5 (5):921–931. https://doi.org/10.47467/elmujtama.v5i5.9459.