Theia'a N. Al-Sabha and Nagham N. Habeb trans. 2012. Simultaneous Spectrophotometric Determination of o-Aminophenol and p-Aminophenol Using H-Point Standard Addition Method -Application to Real Waters. Pakistan Journal of Analytical & Environmental Chemistry. 13, 1 (Jun. 2012), 53–62. DOI:https://doi.org/10.21743/.