F. Methammem, “Formal Versus Informal Training & Tacit Versus Explicit Knowledge Sharing: What Matters More for the Entrepreneurially Oriented Firms?”, IJSBAR, vol. 52, no. 2, pp. 104–135, Jul. 2020, Accessed: Oct. 08, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/11404