“…Major studies (from 2005 to 2017) related to the concepts of CRM, KM, CKM, ECRM and social media are shown in Table 1. (Yong, Yongqing 2015), (Mukherji 2012), (Mehdibeigi et al 2016) ü û û û ü (Harrigan et al 2015) û û ü ü ü (Sindakis et al 2015), (Fidel et al 2015), (Srisamran, Ractham 2014), (Al-Shammari 2014), (Wu et al 2013), (Attafar et al 2013), (Li et al 2013), (Aghamirian et al 2013), (Sedighi et al 2012) û ü ü ü ü (Aghamirian et al 2015) û û û ü û (Akhavan et al 2014) ü û ü ü ü (Buchnowska 2014), (Chua, Banerjee 2013 Nejatian et al 2011), (Jafari et al 2009), (Salomann et al 2005 Rosa et al 2016) As outlined above, many studies have been conducted on 2-way interactions among CRM systems/processes, knowledge creation and customer knowledge. However, the 4-way interactions between ECRM systems, the types of customer knowledge, knowledge creation processes and social media have rarely been considered, or the discussion has been restricted to only one type of ECRM system (primarily analytical systems) or one type of customer knowledge.…”