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Roslan Abdul Ghaffar, . and Chew T. A., . and Azman Hassan, . Drying and milling cost functions of paddy rice: Empirical estimates for government processing complexes in Malaysia. pp. 283-288. ISSN 0126-6128
Chew T. A., . and Mohd. Yusof Shahabuddin, . Measuring productivity/efficiency in rubber estates: a frontier cost function approach. pp. 303-314. ISSN 0127-7065