Espina, Kathleen E., et al. “Performance of Dye-Sensitized Solar Cell Utilizing the Extract of Cassava (Manihot Esculenta) Leaves, Guava (Psidium Guajava) Leaves, and Mango (Mangifera Indica) Leaves”. Journal of Healthcare and Biomedical Science , vol. 3, no. 1, Dec. 2024, pp. 11-19, doi:10.31098/jhbs.v3i1.2660.