Nordin, Mohammad Ridhwan, Salamiah A. Jamal, and Nor Asmalina Mohd Anuar. “CONTENT VALIDITY OF RESEARCH INSTRUMENTS: ASSESSING DOMESTIC ECOTOURISM IN PROTECTED AREAS”. ENLIGHTENING TOURISM. A PATHMAKING JOURNAL 12, no. 2 (September 27, 2022): 565-599. Accessed May 3, 2024. https://www.uhu.es/publicaciones/ojs/index.php/et/article/view/7123.