Deswardani F, Helga Dwi, Nurhidayah, Afrianto MF, Peslinof M, Nazarudin, et al. ANALISIS GUGUS FUNGSI PADA TiO2/BIOCHAR DENGAN SPEKTROSKOPI FTIR (FOURIER TRANSFORM INFRARED). JoP [Internet]. 2020 Jul. 25 [cited 2025 May 20];5(2):54-8. Available from: https://mail.online-journal.unja.ac.id/jop/article/view/9397