Nisa, D.F. and Putri, N.P. 2021. SINTESIS LAPISAN TIPIS SOLUBLE PANi DOPAN FUMARIC ACID DAN KARAKTERISTIKNYA: Keywords: PANi, Spin coating, Thin film, Electrical conductivity. Inovasi Fisika Indonesia. 10, 3 (Nov. 2021), 15–23. DOI:https://doi.org/10.26740/ifi.v10n3.p15-23.