Trochim, William M.
The research methods knowledge base - Cincinnati English Language Program 2001 - 363 p. 28 cm
004296 L 334
970138598
Methods in social research (general)
001.42 / R432
The research methods knowledge base - Cincinnati English Language Program 2001 - 363 p. 28 cm
004296 L 334
970138598
Methods in social research (general)
001.42 / R432