“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” (2026) Indonesian Journal of Agricultural Resource and Environmental Economics, 5(1), pp. 52–66. doi:10.29244/jgesms61.