Paramulia, Olivia Christy, Jacky SB Sumarauw, e Silvya L. Mandey. 2022. «Marketing Strategy for Development of Pananuareng Beach Tourism Destinations, Sangihe Islands Regency». European Journal of Life Safety and Stability (2660-9630) 15 (Março):5-14. http://www.ejlss.indexedresearch.org/index.php/ejlss/article/view/481.