Sim.Ong Beng Mathematics For Matriculation Semester 1 / Ong Beng Sim,Lee Khaik Yong [etl all] ..... - 4th ed. - Shah Alam, Malaysia . : Oxford Fajar , c2012. - vii, 316p. : ill . ; 27cm. Includes Index. ISBN: 9789834500160 LC Class. No.: QA39 / .S46 2012