Key points are not available for this paper at this time.
Appears in: INTED2017 Proceedings Publication year: 2017Pages: 6965-6972ISBN: 978-84-617-8491-2ISSN: 2340-1079doi: 10.21125/inted.2017.1618Conference name: 11th International Technology, Education and Development ConferenceDates: 6-8 March, 2017Location: Valencia, Spain
Štofková et al. (2017) studied this question.