Rajkumar, M. Ambrose, S. Stanly John Xavier, S. Anbarasu, and PremAnand Devarajan. 2014. “Microhardness, Dielectric and Photoconductivity Studies of 2- Amino 5- Nitro Pyridinium Dihydrogen Phosphate (2A5NPDP) NLO Single Crystal”. International Journal of Emerging Trends in Science and Technology 1 (10). https://igmpublication.org/ijetst.in/index.php/ijetst/article/view/442.