Ab Rahman, Nur Naajihah, et al. “Application of Modified Adaptive Bats Sonar Algorithm With Doppler Effect and Levy Flight (MABSA-DELF) to Optimize Mechanical Engineering Problems”. Mekatronika: Journal of Intelligent Manufacturing and Mechatronics, vol. 5, no. 2, Oct. 2023, pp. 32-40, doi:10.15282/mekatronika.v5i2.9754.