B. Sirisha, M. Kishore Babu and V. Gowthami
International Business Management 10 ( 6 ): 726 - 731 , 2016
K. Siva Kumar, R. Haritha, A. Swathi, B. Sirisha and T. Ramana
Research Journal of Microbiology 7 ( 3 ): 171 - 181 , 2012
B. Sirisha and M. Kishore Babu
The Social Sciences 10 ( 7 ): 1682 - 1686 , 2015