Parvin, Maksuda, Munira Mushtari, Afifa Rahman, Nazmin Akter, and Md Anwarul Islam. 2023. “Preparation of Some As-Triazines, Their Evaluation As Spectrophotometric Reagents and Determination of Trace Amount of Iron in Certain Food and Natural Samples”. Dhaka University Journal of Science 71 (2):111-16. https://doi.org/10.3329/dujs.v71i2.69093.