Muhammed Shareef, S., and A. . Abubakar. “Revisiting Layer 2 in Traditional DPI With Realist CFMO Thematic Synthesis: Layer 2 Header Field Usage in DPI”. International Journal on Perceptive and Cognitive Computing, vol. 12, no. 2, July 2026, pp. 71-81, doi:10.31436/ijpcc.v12i2.711.