Narooei, K.D. et al. 2026. Tool Path of Air Time Motion in Pocket Milling by Biogeogra-phy-Based Optimization (BBO). International Journal of Engineering and Technology. 7, 3.17 (Apr. 2026), 195–199. DOI:https://doi.org/10.14419/ijet.v7i3.17.21899.