Jafari Beheshti Haeri, Z., Hajiaghababaei, L., Shahvelayati, A.. Modified ZnO nanosheets by 2-((6-oxo-4- propyl-1,6- dihydropyrimidin-2-yl) thio) propanoic acid as an efficient adsorbent to removal of heavy metals of Lead, Copper and Silver from water and wastewater. . 2019;11(37):11-24. doi: