Istianingrum, Rika, et al. “Ngendau Sebagai Nyanyian Ungkapan Perasaan Masyarakat Dayak Kenyah”. Innovative: Journal Of Social Science Research, vol. 3, no. 4, Sept. 2023, pp. 9492-9, https://j-innovative.org/index.php/Innovative/article/view/4724.