Balarak, Davoud, Yousef Mahdavi, and Ali Joghatayi. 2015. “ADSORPTION OF FLUORIDE USING SIO2 NANOPARTICLES AS ADSORBENT”. International Journal of Engineering Technologies and Management Research 2 (2):1-9. https://doi.org/10.29121/ijetmr.v2.i2.2015.30.