Sulistyani M, Kusumastuti E, Huda N, Mukhayani F. Method Validation on Functional Groups Analysis of Geopolymer with Polyvinyl Chloride (PVC) as Additive Using Fourier Transform Infrared (FT-IR). ijcs [Internet]. 29Nov.2021 [cited 25Nov.2024];10(3):198-05. Available from: http://journal.unnes.ac.id/sju/ijcs/article/view/50419