Heupner, Susan Groot. “LABOUR EXPLOITATION, SYSTEMATIC OPPRESSION AND VIOLENCE IN PALM OIL PLANTATIONS IN NORTH SUMATRA, INDONESIA”. PEOPLE: International Journal of Social Sciences 2, no. 1 (October 27, 2016): 477–494. Accessed September 20, 2024. https://mail.grdspublishing.org/index.php/people/article/view/338.