Backstrom, Charles H.
Survey research / Charles H. Backstrom, Gerald D. Hursh - Minneapolis : Northwestern University Press, 1963. - xix, 192 p. : ill. ; 18 cm.
Research
001.433 / BAS
Survey research / Charles H. Backstrom, Gerald D. Hursh - Minneapolis : Northwestern University Press, 1963. - xix, 192 p. : ill. ; 18 cm.
Research
001.433 / BAS