Taha, Ibrahim B. M.; Elattar, Ehab E.: 'Optimal reactive power resources sizing for power system operations enhancement based on improved grey wolf optimiser', IET Generation, Transmission & Distribution, 2018, 12, (14), p. 3421-3434, DOI: 10.1049/iet-gtd.2018.0053
IET Digital Library, https://digital-library.theiet.org/;jsessionid=4oe8o9jp3wf9h.x-iet-live-01content/journals/10.1049/iet-gtd.2018.0053