ULI ROHANA SIREGAR; SOEWARTO HARDHIENATA; SRI SETYANINGSIH. Modeling and Optimizing Service Quality Improvement (Empirical study uses the POP-HRM approach to training instructors Security Unit in Bogor Regency). International Journal of Business and Social Science Research, [S. l.], v. 4, n. 8, p. 1–18, 2023. DOI: 10.47742/ijbssr.v4n8p1. Disponível em: https://ijbssrnet.com/index.php/ijbssr/article/view/164. Acesso em: 9 feb. 2025.