Essentials of behavioral research :
Rosenthal, Robert, 1933-
Essentials of behavioral research : methods and data analysis / Robert Rosenthal, Ralph L. Rosnow. - 2a ed. - United States of America : McGraw-Hill, 1991. - 692 p. : gráfs., tablas - McGraw-Hill series in psychology .
0070539294
PSICOLOGIA ---INVESTIGACION ---METODOLOGIA
Essentials of behavioral research : methods and data analysis / Robert Rosenthal, Ralph L. Rosnow. - 2a ed. - United States of America : McGraw-Hill, 1991. - 692 p. : gráfs., tablas - McGraw-Hill series in psychology .
0070539294
PSICOLOGIA ---INVESTIGACION ---METODOLOGIA