Samuel, S. O., M. L.- ebi Frank, E. Ogherohwo, A. Ekpekpo, J. Zhimwang, and I. L. Ikhioya. “Influence of Deposition Voltage on Strontium Sulphide Doped Silver for Optoelectronic Application”. East European Journal of Physics, no. 1, Mar. 2023, pp. 189-96, doi:10.26565/2312-4334-2023-1-25.