Tahirah Razali, Nur, et al. “Effect of Spraying Parameters on the Morphology of Spray-Coated Active Layers for Organic Solar Cells”.
International Journal of Engineering and Technology, vol. 7, no. 3.18, Aug. 2018, pp. 75-78,
https://doi.org/10.14419/ijet.v7i3.18.16679.