NGOC, H. N.; OMAR, S. I.; NGOC ANH, L. T. EFFECTIVENESS OF TOURISM PLANNING STIMULI ON TOURISTS’ WILLINGNESS TO STAY LONGER IN HOI AN WORLD HERITAGE SITE. PLANNING MALAYSIA, [S. l.], v. 24, n. 43, 2026. DOI: 10.21837/pm.v24i43.2101. Disponível em: https://www.planningmalaysia.org/index.php/pmj/article/view/2101. Acesso em: 24 oct. 2026.