Mohd Said, Nor Damsyik, AND Chia Woon, Liew. " FILL FACTOR AND POWER CONVERSION EFFICIENCY SIMULATION OF HETEROJUNCTION ORGANIC SOLAR CELLS (P3HT/PCBM) USING ZNO AND PEDOT:PSS AS INTERFACIAL LAYER" International Journal of Advanced Research in Technology and Innovation [Online], Volume 1 Number 2 (22 November 2019)