TY  - BOOK
TI  - Maths help : 1.decimals 2.Percentage 3.Negative numbers 4.Symbols /Titley Patrick. Meme Helay Helay/ Alder Hansauli. NIE Cultural Nite 10.11.99/NIE samtse . Reinforcement and basic questioning/The university of sydney
PB  - Robert Clamp/ Helvatas/ NIE Samtse / University of Sydney
N1  - [converted from old VHS tape]
ER  -