W. D. Astuti and D. Erwandi, “Gambaran Persepsi Risiko Penyebaran Covid-19 di Tempat Kerja Pada Pekerja Hulu Migas di Lapangan Hijau PT. P: Covid-19 Risk Perception at The Workplace on Oil & Gas Upstream Workers at Hijau Field PT. P”, Media Publ. Promosi Kesehat. Indones, vol. 5, no. 7, pp. 882-891, Jul. 2022.