Budi Wahono, Sopiah Sopiah and Ludi Wishnu Wardhana (2025) “The Influence of Learning and Development on HR Performance with Employee Engagement as a Mediating Variable: A Study in the Service Sector”, Harmony Management: International Journal of Management Science and Business, 2(2), pp. 71–78. doi: 10.70062/harmonymanagement.v2i2.234.