Ahmad Alarfaj, Nawal, and Maha Farouq El-Tohamy. “New Validated Carbon Paste and Modified Carbon Nanotubes Sensors for Selective Determination of Pantoprazole Sodium”. Asian Journal of Chemistry, vol. 26, no. 10, May 2014, pp. 3039-46, doi:10.14233/ajchem.2014.16611.