Hybridization of Particle Swarm Optimization with Variable Neighborhood Search and Simulated Annealing for Improved Handling of the Permutation Flow-Shop Scheduling Problem. - Iqbal Hayat; Adnan Tariq; Waseem Shahzad; Manzar Masud; Shahzad Ahmed; Muhammad Umair Ali; Amad Zafar (Syst., 2023)