Maramba Meha, E., Windarjoto, W., & Suyanto, H. 2021 Aug 16. Spectra FTIR Analysis of Kedondong and Pumpkin Fruits, Sweet Potato and Carrot for Choosing Dye Sensitized Solar Cell (DSSC) Materials Using Multivariate Method. BULETIN FISIKA. [Online] 23:2