Thanyapan Hobanthad และ Sukanya Tongkhan; Kwannaree Thookpan; Sarinya Kumjorn; Samkhan Hobunthad. (2024) The Anthocyanin Extract from Orchid Flower Used as an Acid-base Naked-eye Sensor. <i>Thai Science and Technology Journal</i>, <i>32</i>(1), 1-11.Thanyapan Hobanthad และ Sukanya Tongkhan; Kwannaree Thookpan; Sarinya Kumjorn; Samkhan Hobunthad. "The Anthocyanin Extract from Orchid Flower Used as an Acid-base Naked-eye Sensor". Thai Science and Technology Journal 32 (2024):1-11.Thanyapan Hobanthad และ Sukanya Tongkhan; Kwannaree Thookpan; Sarinya Kumjorn; Samkhan Hobunthad. The Anthocyanin Extract from Orchid Flower Used as an Acid-base Naked-eye Sensor. Research Division:ม.ป.ท. 2024.