Wiranto, Handy, and Jefri Setyawan. “The Iraw Tengkayu Culture: Stability of Behaviour in Solidarity Among Tribes in Tarakan City”. Nusantara Journal of Behavioral and Social Science 4, no. 3 (July 23, 2025): 115–124. Accessed July 4, 2026. https://ukinstitute.org/journals/4/njbss/article/view/104.