Efendi, Suryono, and Edy Rahardja. “The Role of Intellectual Capital, Intrinsic Motivation, and Competence on Service Performance: Empirical Studies at Jakarta Private Universities”. International Journal of Science and Society 3, no. 3 (August 10, 2021): 170-185. Accessed November 25, 2025. http://www.ijsoc.goacademica.com/index.php/ijsoc/article/view/363.