Semnani, Abolfazl, Hamid Reza Pouretedal, Ali Reza Firooz, and Sayed Morteza Talebi. 2010. “Potentiometric Study of the Complexation of Silver Ions With Some Crown Ethers in Binary Acetonitrile-Water Solutions”. Asian Journal of Chemistry 18 (3):1593-99. https://asianpubs.org/index.php/ajchem/article/view/20846.