Evaluative research : principles and practice in public service and social action programs /
Schuman, Edward Allen,
Evaluative research : principles and practice in public service and social action programs / Edward Allen Schuman. - 186 páginas
Ciencias sociales--Metodología.
300.18 / S942e 1969
Evaluative research : principles and practice in public service and social action programs / Edward Allen Schuman. - 186 páginas
Ciencias sociales--Metodología.
300.18 / S942e 1969