"patton, michael . "
quolitative evaluation methods: / michael.. patton - 1 ed. - uk : sage publications 1987. - ", 381p.; 22 cm."
0 8039 1395 8 hard cover
social sciences-methodology--evaluation research(social action program)
300. 723 pat
quolitative evaluation methods: / michael.. patton - 1 ed. - uk : sage publications 1987. - ", 381p.; 22 cm."
0 8039 1395 8 hard cover
social sciences-methodology--evaluation research(social action program)
300. 723 pat