Prananto, Haryo Dwi, et al. “Dye Sensitize Solar Cell (DSSC) Berbahan Dasar Klorofil Daun Cincau Sebagai Fotosensitiser”. Joint Prosiding IPS Dan Seminar Nasional Fisika, vol. 2, no. 1, Oct. 2013, pp. 30-32, https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5556.