Asifa A, Azizan M, Ma'arif S. Price Volatility of Cooking Oil in Jambi Province Across Four Market Levels: A Structural Break Approach. j.sos.ekon.pertan. [Internet]. 16 Desember 2025 [dikutip 27 Februari 2026];21(3):33-48. Tersedia pada: https://journal.unhas.ac.id/index.php/jsep/article/view/47326