Hakim S, A. .; Rianna, M. .; Elnovreny, J. Synthesis and Characterization of PVA-Enzyme GA PANI-HCl Indicator Membrane Electrodes; PANI-P-Toluentsulfonic Acid PVC-KTpClPB-O-NPOE, SEM-EDX, XRD and FTIR Analysis. jppipa, pendidikan ipa, fisika, biologi, kimia 2023, 9, 8665-8671.