Rumra, Mohammad Yamin. “Caste Transformation, Intracultural Communication, and Social Structure Dynamics in Kei Society, Southeast Maluku-Indonesia”. Journal of Ecohumanism 3, no. 4 (July 23, 2024): 675–688. Accessed March 9, 2026. https://www.ecohumanism.co.uk/joe/ecohumanism/article/view/3535.