Harianja P. Halal Tourism Model Based On Local Wisdom In Bukit Lawang As One Of The Branding Efforts Towards Excellent Primadona North Sumatra. International Journal of Science, Technology & Management [Internet]. 2022Nov.12 [cited 2024Nov.28];3(6):1676-87. Available from: https://ijstm.inarah.co.id/index.php/ijstm/article/view/666