Singh, Y. K. Dr.,
Research methodology : techniques and trends Dr. Y.K.Singh and Dr. R. B. Bajpai - New Delhi: APH, 2013. - viii, 352p.
Research-Methodology
001.42 / SIR
Research methodology : techniques and trends Dr. Y.K.Singh and Dr. R. B. Bajpai - New Delhi: APH, 2013. - viii, 352p.
Research-Methodology
001.42 / SIR