Lukitaningsih. “Women Behind Rubber Sap : Gender Struggle in Plantations East Sumatra During the Colonial Period”. HUMANISMA : Journal of Gender Studies 9, no. 2 (October 5, 2025): 124–138. Accessed February 8, 2026. https://ejournal.uinbukittinggi.ac.id/index.php/psga/article/view/9774.