“Modified Elman Neural-PID Controller Design for DC-DC Buck Converter System Based on Dolphin Echolocation Optimization”. Al-Khwarizmi Engineering Journal 14, no. 3 (September 4, 2018): 129–140. Accessed December 22, 2024. https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/97.