H. Hardani, A. Hidayatullah, and L. M. Angraini, “MAKING PROTOTYPE DYE-SENSITIZED SOLAR CELLS (DSSC) BASED ON TiO2 NANOPORY USING EXTRACTION OF MANGOSTEEN PEEL (Garnicia mangostana)”, IPR, vol. 1, no. 1, p. 55, Oct. 2018.