Sitepu, Edy, Rismawati Rismawati, Dewi Comala, Edi Putra Berutu, Jamardua Haro, & Agus Edy Rangkuti.
"STRUCTURAL MODELS FOR SUSTAINABLE TOURISM DEVELOPMENT IN MEDAN CITY." <em>International Journal of Applied Sciences in Tourism and Events</em> [Online], 3.2 (2019): 158-177. Web. 24 Apr. 2024