S. Sumartik, M. Yani, G. R. Hanum, D. A. Putri, and N. L. Maulidiyah, “Explanatory Research Knowledge Sharing and Knowledge heterogeneity on Higher Education Business performance through Learning Value Sharing”, acopen, vol. 8, no. 2, p. 10.21070/acopen.8.2023.7218, Aug. 2023.