Nuntaporn Moonrungsee, Jaroon Jakmunee, Apaporn Boonmee, Juthaporn Kaewloy, Waranya Wongkasem and Peamaroon, N. (2023) “A SIMPLE 3D TOOLBOX-BASED SMARTPHONE COLORIMETER: THE ABILITY TO DETECT THE STOICHIOMETRIC EQUIVALENT OF A CHEMICAL REACTION”, Malaysian Journal of Science, 42(3), pp. 27–33. doi: 10.22452/mjs.vol42no3.5.