Sofi’i, Y. K., E. Siswanto, W. Winarto, and I. N. G. Wardana. “Development of Bamboo Charcoal and Fragaria Vesca Powder Photocatalysts in Hydrogen Production via Water Splitting”. Eastern-European Journal of Enterprise Technologies, vol. 6, no. 6 (108), Dec. 2020, pp. 80-92, doi:10.15587/1729-4061.2020.213277.