“Price Volatility of Cooking Oil in Jambi Province Across Four Market Levels: A Structural Break Approach” (2025) Jurnal Sosial Ekonomi Pertanian, 21(3), hlm. 33–48. Tersedia pada: https://journal.unhas.ac.id/index.php/jsep/article/view/47326 (Diakses: 21 Agustus 2026).