D. Darwis and M. Peluru, “Stabilisasi Suspensi Surfactant-Free Nanopartikel P3HT:PCBM: (Stabilization of Surfactant Free P3HT:PCBM Nanoparticle Suspension)”, Gravitasi, vol. 19, no. 2, pp. 36-39, Dec. 2020.