Daryanto, Arief. 2011. “EMPOWERING FARMERS’ ECONOMIC WALFARE THROUGH DEVELOPMENT OF OIL PALM INDUSTRY IN THE REGIONAL AUTONOMY ERA: LESSONS LEARNT FROM SIAK DISTRICT”. Jurnal Manajemen Dan Agribisnis 3 (2): 113-25. https://doi.org/10.17358/jma.3.2.113-125.