“…For example, employee level variables such as perceived organizational support (Liao et al, 2009; Tang et al, 2017), employee discretionary efforts (Cafferkey & Dundon, 2015), customer need satisfaction (Martinaityte et al, 2019), employee motivation (Cafferkey & Dundon, 2015; Kundu & Gahlawat, 2016), employee engagement (Alfes et al, 2013; Li et al, 2019, Muduli et al, 2016), employee morale (Zhang et al, 2013), aggregated service orientation (Aryee et al, 2016), employee self-efficacy (Jyoti & Dev, 2016), intrinsic motivation (García-Chas et al, 2014), leader–member exchange quality (De Oliveira et al, 2015), employee trust (Appelbaum et al, 2000; Kundu & Gahlawat, 2016; Rubel et al, 2018), person to organization fit (Lv & Xu, 2018), psychological capital (Karadas & Karatepe, 2019), employee psychological safety (Miao et al, 2020), presenteeism (Ananthram et al, 2018), service recovery (Karatepe & Olugbade, 2016), job discretion (Chang et al, 2018), manager goal congruence (Zhang et al, 2018), employee resilience (Cooke et al, 2019), learning orientation (Jyoti & Dev, 2016), employee voice (Miao et al, 2020), service behaviours (Luu, 2019), work pressure (Heffernan & Dundon, 2016), job stress (Appelbaum et al, 2000), service-oriented Organizational Citizenship Behaviour (Kloutsiniotis & Mihail, 2020a; Sun et al, 2007), workplace bullying (Page et al, 2018), psychological contract breach (Lv & Xu, 2018), human resource flexibility (Úbeda-García et al, 2018), public service motivation (Luu, 2019), knowledge management (Jyoti & Rani, 2017), job crafting (Meijerink et al, 2020), work intensification (Chang et al, 2018), absence intentions (Karatepe & Olugbade, 2016), etc., can be examin...…”