R. . A. Al-Baldawi and S. . A. Ghadhban, “Computerized hydraulic Circuit Design by using Expert System Technology”, J. eng. sustain. dev., vol. 12, no. 1, pp. 44–52, Mar. 2008, Accessed: Jun. 04, 2026. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1635