2025. Abundance, Diversity, and Water Quality Assessment of Epilithic Diatoms as Bioindicator in The Dem River, Glothak Waterfall, Wagir District, Malang Regency. Al-Kauniyah: Jurnal Biologi. 19, 1 (Oct. 2025), 52–62. DOI:https://doi.org/10.15408/kauniyah.v19i1.42143.