APA Style
Poh, I. (2019).
Learning Powerful Math Methods Challenging to Solve Problem Sums - Primary 3 & 4 .
Henderson Industrial Park:
Singapore Asia Publishers.
MLA Style
Poh, Ivan.
"Learning Powerful Math Methods Challenging to Solve Problem Sums - Primary 3 & 4".
Henderson Industrial Park:
Singapore Asia Publishers,
2019.
Text.