Sigua, R. G., & De Guzman, M. P. (2016). Application of a knowledge-based expert system for intersection improvement. Philippine Engineering Journal.
Lua i Stíl Chicago (17ú heag.)Sigua, Ricardo G., agus Mark P. De Guzman. "Application of a Knowledge-based Expert System for Intersection Improvement." Philippine Engineering Journal 2016.
Lua MLA (9ú heag.)Sigua, Ricardo G., agus Mark P. De Guzman. "Application of a Knowledge-based Expert System for Intersection Improvement." Philippine Engineering Journal, 2016.
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