Haifani, S., and E. T. Paripurno. “Pentahelix’s Strategy in Reducing the Risk of a COVID-19 Pandemic Disaster at Semaki Village, Umbulharjo Yogyakarta : Strategi Pentahelix Dalam Pengurangan Risiko Bencana Pandemi COVID-19 Kelurahan Semaki Kecamatan Umbulharjo, Yogyakarta”. Jurnal Kesehatan Komunitas Indonesia, vol. 2, no. 1, Dec. 2022, pp. 22-33, doi:10.58545/jkki.v2i1.15.