Understanding research methods
Adams, Gerald R.
Understanding research methods - 2nd ed. - New York Longman 1991 - ix, 405p.
0801304156
Research methodology-social sciences
001.42 / ADA
Understanding research methods - 2nd ed. - New York Longman 1991 - ix, 405p.
0801304156
Research methodology-social sciences
001.42 / ADA