“…The identification of the five clusters was further verified by their relationships with project management success. Specifically, the literature has confirmed the associations between project management success and project human resources management (Belout, 1998;Chan et al, 2009;De Silva et al, 2008;Fitz-Enz, 1984;Kaming et al, 1997;Ogwueleka, 2013;Pinto and Prescott, 1988;Pinto and Slevin, 1987;Pryke and Smith, 2006;Silva et al, 2015;Somers and Nelson, 2001;Spalek, 2005;Toor and Ogunlana, 2008;Ugwu et al, 2016;Ulrich, 1987;Yudhistyra et al, 2020), project design package (Chan and Kumarasamy, 1997;Chan and Yeong, 1995;Flyvbjerg et al, 2003Flyvbjerg et al, , 2004KPMG, 2012;Limodio, 2011;Mohamed, 2001;Ogwueleka, 2013;PWC, 2018;Spalek, 2005;Stasinopoulos et al, 2009;Toor and Ogunlana, 2008), project management efficiency (Aneesha and Haridharan, 2017;Ashley et al, 1987;Belassi and Tukel, 1996;Cleland, 1984;Cooke-Davies, 2014;De Silva et al, 2008;Dong et al, 2004;Dvir et al, 2006;Gumay et al, 2020;Haron et al, 2017;…”