@conference {Frache2019999,
	title = {Research and categorization of conceptual difficulties in electricity{\textquoteright}s concepts and basic laws},
	booktitle = {IEEE Global Engineering Education Conference, EDUCON},
	volume = {April-2019},
	year = {2019},
	pages = {999-1006},
	doi = {10.1109/EDUCON.2019.8725271},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85067501723\&doi=10.1109\%2fEDUCON.2019.8725271\&partnerID=40\&md5=a8d16c3f8d3c0b41bc26eb5edd176f15},
	author = {Frache, G. and Vavasis, G.G. and Mkrttchian, G. and Stavropoulos, K. and Kapotis, E.C. and Nistazakis, H.E. and Tombras, G.S.}
}
