“…Associated with the above, Zaki et al(2017) conclude that to ensure success in staff training, it is necessary to make an individual, face-to-face evaluation with each employee and based on their results, make adjustments to the training plan originally drawn up. Similar examples of the above are found in studies conducted by: Fregonese et al(2018),Imran and Kantola (2018),Lee and Welliver (2018),Johnson and Matthes (2018),Lacoste (2018),Olexová (2018),Giesbrecht et al (2017), Bugler (2017), Farías et al(2017) andKhusainova et al (2018).3.2.2 Aspects related to communication with customers. According to MarcosCuevas (2018), communication with customers is the ability to handle different relationships depending on the type of sales process, whether transactional or value generation.The key ideas extracted from the literature on this particular aspect have to do with:…”