S. Suprianto, M. L. Affandy, R. Faradis, and M. M. Musafir, “Relationship Analysis Economic Growth and Unemployment Rate in East Java: Okun’s Curve Anomaly Before and After the COVID-19 Pandemic: Analisis Hubungan Pertumbuhan Ekonomi dan Tingkat Pengangguran di Jawa Timur: Anomali Kurva Okun Sebelum dan Sesudah Pandemi COVID-19”, acopen, vol. 11, no. 1, Jan. 2026.