Authors
George E. Chatzarakis
Department of Electrical and Electronic Engineering Educators, School of Pedagogical and Technological Education (ASPETE), Athens, GREECE
Said R. Grace
Department of Engineering Mathematics, Faculty of Engineering, Cairo University, Orman, Giza, EGYPT
Irena JadloyskÁ
Department of Mathematics and Theoretical Informatics, Faculty of Electrical Engineering and Informatics Technical University of Koşsice, Koşice, SLOVAKIA