SHINGLEE think! MATHEMATICS BOOK 1A
SHINGLEE think! MATHEMATICS BOOK 1B
SHINGLEE think! MATHEMATICS BOOK 2A
SHINGLEE think! MATHEMATICS BOOK 2B
SHINGLEE think! MATHEMATICS BOOK 3A
SHINGLEE think! MATHEMATICS BOOK 3B
CAMBRIDGE IGCSE AND OLEVEL ADDITIONAL MATHEMATICS (SUE PEMBERTON)
NEW ADDITIONAL MATHEMATICS (HO SOO THONG/DAVID KHOR NYAK HIONG)