Two Versatile Pencil Graphite-Polymer Sensor Electrodes Coupled with Potentiometry and Potentiometric Titration Methods: Profiling Determinations of Vitamin V in Tablets and Urine Samples. - Abeer M. E. Hassan; Mohamed A. El Hamd; Mahmoud El-Maghrabey; Wael A. Mahdi; Sultan Alshehri; Hany A. Batakoushy (Sensors, 2022)