Chang Suo

Maths - No Problem Textbook 1A (Mathematics Textbooks for Primary Schools)

By Har, Yeap Ban, Yee, Foong Pui, Hui, Chang Suo, Pearlyn, Lim Li Gek, Hua, Wong Oon, Har, Yeap Ban, Dr. Yeap Ban, Dr. Foong Pui

Maths - No Problem! Textbook 1B

By Har, Dr. Yeap Ban, Yee, Dr. Foong Pui, Hui, Chang Suo, Hua, Wong Oon, Pearlyn, Lim Li Gek, Hermanson, Dr. Anne

Maths - No Problem! Workbook 1B

By Yee, Dr. Foong Pui, Hui, Chang Suo, Pearlyn, Lim Li Gek, Hua, Wong Oon, Har, Dr. Yeap Ban, Hermanson, Dr. Anne