L. Anggiat, R. Fadhilah, F. Insan, G. Girsang, and A. Nandiyanto, “Techno-Economic Analysis in the Production of Copper Nanoparticles by Biosynthetic Method using Citrus medica Linn. Extract”, INJURATECH, vol. 1, no. 1, pp. 200-210, Jun. 2021.