“…management, (2) off-the-job training, (3) training two outside the classroom and while working (on-the-job training), ( 4) leadership (interpersonal, transactional), (5) employee engagement, (6) management education, (7) observation of age, (8) role as a senior employee, (9) egotism, (10) application of organizational culture, (11) application of managerial devices, (12) Integration with information systems, and (12) horizontal competition. After reviewing ten articles in ten countries studied seven years from now, any practice in the field of human resources dominated by three variables that are a trend that successfully improves employee performance, namely [5], [7], and [9], then the practice of leadership [3], [4], dan [8], and employee engagement [1] dan [9].…”