The Development of Digital Image Colorimetric Quantitative Analysis of Multi-Explosives Using Polymer Gel Sensors. - Yudtapum Thipwimonmas; Adul Thiangchanya; Apichai Phonchai; Sittipoom Thainchaiwattana; Wachirawit Jomsati; Sunisa Jomsati; Kunanunt Tayayuth; Warakorn Limbut (Sensors, 2021)