Png, Ivan, 1957- Study guide Managerial economics / Managerial economics Ivan Png and Chi Wo J. Cheng - Asia Pacific ed. - Singapore : Pearson/Prentice Hall, 2005 - xxii, 589 p. : ill. ; 26 cm. ISBN: 9789812449689 (pbk.) 981244968X (pbk.) Subjects--Topical Terms: Managerial economics