M. M.M. Raja, A. Raja, M. M. Imran, A. M.I. Santha and K. Devasena
Biotechnology 10 ( 1 ): 51 - 59 , 2011
Bulletin London Mathematical Society 42 ( 2 ): 221 - 228 , 2010
R. Rajesh Ramkumar, M. Selvam, M. Raja, K. Lingaraja and V. Vasanth
International Business Management 9 ( 3 ): 258 - 266 , 2015