TY - JOUR T1 - Undergraduate experiments on qualitative analysis of color and surface modifications and quantitative analysis using the Tauc plot method through ultraviolet-visible relative specular reflectance JF - Science Diliman A1 - Villena, Marte C. A2 - Antivola, Maria Fe B. A2 - Torrefiel, Janelle Stephanie M. A2 - Lim, Rheo B. Lamorena LA - English YR - 2021 UL - https://tuklas.up.edu.ph/Record/IPP-00000657235 KW - Surface analysis KW - Spectrum analysis ER -