Open AccessA study on level of interest and concentration time of adult learners on distance: Learning-Center of open secondary High School
Author(s) -
이은철
Publication year - 2017
Publication title -
gi'dog'gyo gyoyug nonchong/gidokgyo gyoyuk nonchong
Language(s) - English
Resource type - Journals
eISSN - 2092-0466
pISSN - 1229-781X
DOI - 10.17968/jcek.2017..50.010
Subject(s) - center (category theory) , psychology , mathematics education , pedagogy , chemistry , crystallography