Leong,S.M. The problems and methods of estimating costs and returns to rubber and coconut smallholdings Sri Menanti, Muar (Thesis) - Kuala Lumpur University of Malaya 1960 - 59p. 26cm. Subjects--Topical Terms: Cost effectiveness Rubber--Johor--Sri Menanti--Cost analysis Universal Decimal Class. No.: 330.138.11:631.116.6(043) LEO / 9495