Wulandari Pulungan I, Nopriyasman N, Asnan G. Sumando Custom as a Coastal Ethnic Hybrid Identity in Sibolga City, North Sumatra Province. Eduvest [Internet]. 2024Dec.24 [cited 2025May17];4(12):11980-9. Available from: http://www.eduvest.greenvest.co.id.submitjurnal.id/index.php/edv/article/view/1550