@article {1324,
	title = {CONTENTS},
	journal = {Problems of Education in the 21st Century},
	volume = {78},
	year = {2020},
	month = {December/2020},
	pages = {Continuous},
	type = {Other},
	chapter = {879-880},
	abstract = {Contents, PEC, Vol. 78, No. 6, 2020},
	keywords = {contents},
	issn = {1822-7864},
	url = {http://oaji.net/articles/2020/457-1607329239.pdf},
	author = {Editorial Board}
}
