@article{ author = {نجفی, مصطفی, سهولی, اسماعیل}, title = {Electrochemical sensor for fentanyl determination by modified electrode with carbon nanotube and iron (III) oxide nanoparticles}, journal = {Journal of applied research in chemisry}, year = {2018}, volume = {12}, number = {1}, pages = {103-110}, doi = {} }