Esmat Zien El-Deen, Mamdouh Ghorab, Shadeed Gad, and Heba Yassin. “New Simple UV Spectrophotometric Method for Determination of Certain NSAIDs Present in a Physical Mixture With Pantoprazole in Different PH Values”. World Journal of Pharmaceutical Sciences, vol. 3, no. 5, May 2015, pp. 963-70, https://wjpsonline.com/index.php/wjps/article/view/spectrophotometric-determination-nsaids-pantoprazole.