Prapan Leekul และ Pornpimon Chaisaeng. (2024) Application of Four Microwave Frequencies for Non-Contact Classification of the Sweetness Level of Syrup Solution. <i>Thai Science and Technology Journal</i>, <i>32</i>(4), 68.-83.Prapan Leekul และ Pornpimon Chaisaeng. "Application of Four Microwave Frequencies for Non-Contact Classification of the Sweetness Level of Syrup Solution". Thai Science and Technology Journal 32 (2024):68.-83.Prapan Leekul และ Pornpimon Chaisaeng. Application of Four Microwave Frequencies for Non-Contact Classification of the Sweetness Level of Syrup Solution. Research Division:ม.ป.ท. 2024.