“Keberlanjutan Perdagangan Karet Alam Indonesia Ke Pasar Strategis: Perbandingan OLS Dan PPML Dalam Regresi Data Panel: The Sustainability of Indonesian Natural Rubber Trade in Strategic Markets: A Comparison of OLS and PPML in Panel Data Regression”. Indonesian Journal of Agricultural Resource and Environmental Economics 5, no. 1 (June 30, 2026): 52–66. Accessed July 28, 2026. https://journal.ipb.ac.id/ijaree/article/view/69019.