S, Bindu, Madhavi T, and Thiruvengadarajan VS. 2014. “Preliminary Characterization of Rock Salt in Presence of Citric Acid by FTIR Spectroscopy ”. International Journal of Research in Phytochemistry and Pharmacology 4 (1), 1-3. https://scienztech.org/index.php/ijrpp/article/view/832.