R. Periyanayagi, V. Sasikala, R. Venkatesan, R. Karthikayen and T. Balasubramanian
Research Journal of Environmental Toxicology 1 ( 3 ): 153 - 157 , 2007
R. Venkatesan, R. Karthikayen, R. Periyanayagi, V. Sasikala and T. Balasubramanian
Research Journal of Microbiology 2 ( 1 ): 98 - 100 , 2007