Purwadi. Pengembangan Alat Filtrasi Air Metode Funnel Stack dengan Filter Karbon Aktif, Zeolite, Manganese Greensand, dan . AAU-JDST [Internet]. 2025 Dec. 28 [cited 2026 Sep. 25];14(2):12-38. Available from: https://journal.aau.ac.id/jdst/article/view/471