JATMOKO AWALI et al. PENINGKATAN KUALITAS AIR DENGAN FILTER AIR BERLAPIS DI PONDOK PESANTREN JANNATUL FIRDAUS PENAJAM. Seminar Nasional Pengabdian Kepada Masyarakat (SEPAKAT), [S. l.], v. 4, n. 2, p. 85–90, 2025. DOI: 10.35718/sepakat.v4i2.8481660. Disponível em: https://journal.itk.ac.id/index.php/sepakat/article/view/8481660. Acesso em: 15 jun. 2026.