%A ?. ?. ??????????
%J 12th International youth conference ?Perspectives of science and education?
%T ?????????????????? ?????? ??????? ????????????? ??????????? ??????? ??????
%X ? ?????? ?????????? ???????? ?????????? ??????? ????????????? ???????????
%K ?????????? ??????????? ??????????? ???????, 
?????? ?????????? ??????????, ????????? ?????? ??????????
%P 535-541
%D 2019
%I SLOVO\WORD, New York, USA
%L zu230278