A. Alarfaj1, N. and F. El-Tohamy2, M. 2014. Comparative Potentiometric Study Using Modified 2-Hydroxypropyl b-Cyclodextrin and Modified Carbon Nanotubes Sensors for Determination of Ambroxol Hydrochloride. Asian Journal of Chemistry. 26, 24 (Dec. 2014), 8640–8648. DOI:https://doi.org/10.14233/ajchem.2014.18758A.