Research methods
Trochim, William MK
Research methods - 2nd ed. - New Delhi: Biztantra, 2005 - 363p.
8177223720
Research methodology
001.42 / TRO
Research methods - 2nd ed. - New Delhi: Biztantra, 2005 - 363p.
8177223720
Research methodology
001.42 / TRO