Okoye, I. F., Alaekwe, I. O. and Abba, O. (2021) “UV-VIS SPECTROPHOTOMETER ANALYSIS OF FILM GROWN USING NATURAL DYE FROM LAWSONIA INERMIS (HENNA PLANT)”, Nigerian Journal of Physics, 30(2), pp. 135–139. Available at: https://njp.nipngr.org/index.php/njp/article/view/104 (Accessed: 19 September 2024).