N. K. Abid Al- Sahib and A. R. Jasim, “Guiding Mobile Robot by Applying Fuzzy Approach on Sonar Sensors”, alkej, vol. 6, no. 3, pp. 36–44, Sep. 2010, Accessed: Jul. 13, 2026. [Online]. Available: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/501