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GP coauthors/coeditors: Zarko Cojbasic, Dalibor Petkovic, Shahaboddin Shamshirband, Sudheer Ch, Predrag Jankovic, Nedeljko Ducic, Jelena Baralic, Nima Izadyar, Hwai Chyuan Ong, Hossein Ghadamian, Zeinab moghadam,