Masrizal et al. 2025. Empowering Adolescent Peer Cadres for Tuberculosis Prevention: The “PEKA TB” Initiative at SMPN 31 Padang . Warta Pengabdian Andalas. 32, 4 (Dec. 2025), 480–488. DOI:https://doi.org/10.25077/jwa.32.04.480-488.2025.