1. ALI, M. K., and JONES, L. G. 1967. The effect of variety and length of storage on the carbohydrate contents and table quality of sweet potatoes. Pak. J. Sci. Ind. Res.10, 121 – 126.
2. AMERINE, M. A, PANGBORN, R. M., and ROSSLER, E. B. 1965. Principles of Sensory Evaluation of Food. Academic Press, New York.
3. ANON. 1981. Sensory evaluation guide for testing food and beverage products. Food Technol.35(11), 50 – 59.
4. ARTHUR, J. C., Jr., and MCLEMORE, T. A. 1956. Properties of polyphenolases causing discoloration of sweet potatoes during processing. J. Agric. Food Chem.4, 553 – 555.
5. Asian Vegetable Research And Development Center. 1975. Sweet Potato Report for 1975. AVRDC, Taiwan.