APA Style
CHO, S, J. (2015).
The Proceedings of The 12th international Congress On Mathematical Education : intellectual and Attitudinal Challenges (1).
Cham:
Springer.
MLA Style
CHO, Sung, Je.
"The Proceedings of The 12th international Congress On Mathematical Education : intellectual and Attitudinal Challenges".
1
Cham:
Springer,
2015.
Text.