“…In the field of tourism research, the Delphi technique began to attract attention towards the end of the 1970s (Robinson, 1979). The Delphi technique starts to be used more often from the mid-1980s Kaynak & Macauley, 1984;Var, 1984;Liu, 1988;Green, Hunter & Moore, 1989;Taylor & Judd, 1989;Yong, Keng & Leng, 1989), and is used increasingly from then on (Green, Hunter & Moore, 1990;Kaynak, Bloom & Leibold, 1994;Moeller & Shafer, 1994;Pan, Vega, Vella, Archer & Parlett, 1995;Müller, 1998;O'Connor & Frew, 2000;Miller, 2001;Ramos, 2001;Cunliffe, 2002;Gonçalves, 2003;Masberg, Chase & Madlem, 2004;Kuo, Hsiao & Yu, 2005;Ramos, 2005;Briedenhann & Butts, 2006;Gonçalves, 2006;Kaynak & Marandu, 2006;Kaynak & Cavlek, 2007;Weston & Davies, 2007;Lee & King, 2008; Cuadernos de Turismo, 46, (2020), 423-457 Northcote, Lee, Chok & Wegner, 2008;Spenceley, 2008;Briedenhann, 2009;Lee & King, 2009;Van Ginneken, 2011;Wu, Yu & Zeng, 2011;García-Melón, Gómez-Navarro & Acuña-Dutra, 2012;Kardaras, Karakostas & Mamakou, 2013;Oh, Kim & Lee, 2013;Kaynak & Rojas-Méndez, 2014;…”