20-segi sŏdang kyoyuk yŏn'gu
By: P'i Chŏng-man
Edition: 1-p'an
Publisher: Hau
Published: 2010
Place of publication: Sŏul-si
Language: kor
Number of pages: 285
ISBN-13: 9788976997616
Subjects: Teaching; History; Activity programs in education; Education; Aids and devices
Other titles: Isibsegi sŏdang kyoyuk yŏn'gu
Notes: Includes bibliographical references (p. [265]-273).

In Korean, some articles with abstract in English.