“…The concept of KHo is presented in only 13 articles (Al‐Abbadia et al, 2020; Anaza & Nowlin, 2017; Connelly et al, 2012; Evans et al, 2015; Feng & Wang, 2019; Garg & Anand, 2020; Holten, Hancock, Persson, Hansen, & Hogh, 2016; Pan, Zhang, Teo, & Lim, 2018; Serenko & Bontis, 2016; Su, 2020; Wang, Han, Xiang, & Hampson, 2019b; Wang, Law, Zhang, Li, & Liang, 2019a; Xia et al, 2019; Zhao et al, 2016). In those articles, KHo is defined as knowledge retention, in 5 of them (Anaza & Nowlin, 2017; Feng & Wang, 2019; Holten et al, 2016; Pan et al, 2018; Zhao et al, 2016) it is also explicit that the retained knowledge is not requested.…”