2023. A Highly Sensitive Flame Emission Spectrophotometric Method for the Determination of some Phenothiazine Antipsychotics via Potassium Dichromate as Oxidant Reagent. Journal of the College of Basic Education. 15, 56 (Jan. 2023), 69–77. DOI:https://doi.org/10.35950/cbej.v15i56.9445.