AttaNwaba Abraham, Muhammad KabeerSulayman, and David FemiMatthew. 2022. “PREPARATION AND OPTICAL ANALYSIS OF COPPER SULPHIDE THIN FILM USING CHEMICAL BATH DEPOSITION METHOD”. FUDMA JOURNAL OF SCIENCES 6 (3), 307 -12. https://doi.org/10.33003/fjs-2022-0603-1079.