Pratiwi, Harnum, et al. “Analisis Etnomatematka Pada Permainan Tradisional Ligu Anak Melayu Di Kecamatan Gaung Kabupaten Indragiri Hilir ”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, June 2023, pp. 9039-53, http://j-innovative.org/index.php/Innovative/article/view/1278.