@article{asystematicandmetaanalysissurveyof,
  title = {A Systematic and Meta-analysis Survey of Whale Optimization Algorithm},
  author = {Hardi M. Mohammed and Shahla U. Umar and Tarik A. Rashid},
  year = {2019},
  eprint = {1903.08763},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1903.08763v3},
}