Lau, Too Kya Business Mathematics / Lau Too Kya, Phang Yook Ngor and Wee Kok Kiang - Selangor Darul Ehsan, Malaysia : Oxford Fajar Sdn. Bhd, 2009 - vii, 297cm. ; 25cm. ISBN: 9789834508807 (pbk.) Subjects--Topical Terms: Business arithmeticBusiness mathematics.