Irawan, Bambang, and Muhammad Hidayat. “Evaluation of Covid19.kaltimprov.go.Id Website As Covid-19 Pandemic Information Spread in East Kalimantan Province”. Matra Pembaruan: Jurnal Inovasi Kebijakan 5, no. 2 (November 29, 2021): 103–114. Accessed November 5, 2025. https://jurnal.kemendagri.go.id/index.php/mp/article/view/850.