Hutagalung , Rut Hotmaida, et al. “Valensi Verba Bahasa Batak Pesisir Dialek Sibolga Tapanuli Tengah”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, June 2023, pp. 13848-55, https://j-innovative.org/index.php/Innovative/article/view/1919.