@article {1387,
	title = {CONTENTS},
	journal = {Problems of Education in the 21st Century},
	volume = {68},
	year = {2015},
	month = {December/2015},
	pages = {Discontinuous},
	type = {Other},
	chapter = {3},
	abstract = {Contents, Vol. 68, PEC, 2015},
	keywords = {contents},
	issn = {1822-7864},
	url = {http://oaji.net/articles/2021/457-1622441628.pdf},
	author = {Editorial Board}
}
