Bala NM, bin Safei S. A Hybrid Harmony Search and Particle Swarm Optimization Algorithm (HSPSO) for Testing Non-functional Properties in Software System. Stat., optim. inf. comput. [Internet]. 2021Jan.9 [cited 2024Apr.29];10(3):968-82. Available from: http://www.iapress.org/index.php/soic/article/view/1039