WASET
    Adekanmi M. Adeyinka and  Onyedika V. Mbelu and  Yaqub B. Adediji and  Daniel I. Yahya,  A Review of Current Trends in Thin Film Solar Cell Technologies.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2023, vol. 193(1). 1 - 10
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10012880.