Fujisawa, Natsuho, and Tohru Nakashizuka. “Utilization of Non-Timber Forest Products Based on Traditional Culture: A Case Study of Iban Dyeing in Sarawak, Borneo, Malaysia”. Ethnobiology Letters 30 (April 6, 2012): 18-22. Accessed April 2, 2025. https://mail.ethnobiologyletters.org/index.php/ebl/article/view/44.