S. Haifani 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”, jkki, vol. 2, no. 1, pp. 22–33, Dec. 2022.