Kamil Zafar, Sheikh Bilal Badar, Robia Ghafoor, and Farhan Raza Khan, “COMPARISON OF CENTERING ABILITY AND TRANSPORTATION OF THE PROTAPER NEXT AND ONESHAPE FILE ROTARY SYSTEMS FOR PREPARING SIMULATED CURVED CANAL”, J Ayub Med Coll Abbottabad, vol. 33, no. 2, pp. 202–206, Apr. 2021.