@article {1478,
	title = {CONTENTS},
	journal = {Problems of Education in the 21st Century},
	volume = {79},
	year = {2021},
	month = {October/2021},
	pages = {Continuous},
	type = {Other},
	chapter = {693},
	abstract = {Contents, Vol. 79, No. 5, 2021, PEC},
	keywords = {contents},
	issn = {1822-7864},
	url = {http://oaji.net/articles/2021/457-1634799511.pdf},
	author = {Editorial Board}
}
