Model pemanenan air hujan berkelanjutan berbasis komunitas masyarakat desa (Kajian Pemanenan Air Hujan Teknik Atap Berbasis Gerakan Mandiri Masyarakat Desa di Desa Sardonoharjo, Daerah Istimewa Yogyakarta) = Sustainable rainwater harvesting model on community-based (Study of Rainwater Harvesting Based on The Village Community Independent Movement in Sardonoharjo Village, Province of Yogyakarta)