Donaldson, Stewart I.

What counts as credible evidence in applied research and evaluation practice ? / edited by Stewart I. Donaldson,Christina A. Christie and Melvin M. Mark. - / . - London : Sage Publications , 2009. - 265p. : figures ; 24cm .

Includes index

9781412957076 USD42.95

RESEARCH AND EVALUATION

001.42 / DON/W