@book{Kruk:2019,
author
=
"M.Kruk",
title
=
"Assessing the Effectiveness of Virtual Technologies in Foreign and Second Language Instruction Seria: Research Essentials Collection, ISBN: 9781522572862",
publisher
=
"IGI Global Disseminator of Knowledge",
address
=
"-",
pages
=
"300",
year
=
"2019",
}