@article{oai:chikushi-u.repo.nii.ac.jp:00000205, author = {KUMAR, Surender and KIM, Yong Seob and OH, Kun Seok and KUMAR, Surender and KIM, Yong Seob and OH, Kun Seok}, issue = {22}, journal = {筑紫女学園大学・短期大学部人間文化研究所年報, Annual report of the Humanities Reserch Institute : Chikushi Jogakuen University and Junior College}, month = {Aug}, pages = {89--101}, title = {Cognitive Development in the Pre-school and Elementary School Children}, year = {2011} }