Apinantanakon, Wirote, Khamron Sunat, and Sirapat Chiewchanwattana. 2021. “A Cooperation of the Multileader Fruit Fly and Probabilistic Random Walk Strategies With Adaptive Normalization for Solving the Unconstrained Optimization Problems”. Statistics, Optimization & Information Computing 9 (2), 459-91. https://doi.org/10.19139/soic-2310-5070-702.