Title: Chʻojungdŭng kyoyuk ŭi hyŏngpʻyŏngsŏng kwa hyoyulsŏng e taehan il yŏnʼgu
First published: 2008
Subjects: Academic achievement, Ability grouping in education, Track system (Education), Educational equalization, Education
LC classification: LB3061.8 .Y5 2008