Patton,, Michael Quinn
How to use qualitative methods in evaluation / Michael Quinn Patton
How to use qualitative methods in evaluation / Michael Quinn Patton
. - 7th printing
. - Newbury Park : Sage Publications, 1991
. - 176 p. 22 cm
. - (Program evaluation kit; 4)
0-8039-3129-8 Brochado
303
303.022