tull,
survey research : a decisional approach: donald; - 1 - usa: intertext books 1973, - 244, ix. 24
includes index
includes references
0 7002 0209 9 (hard cover):
s--mutiple authors
001 433 tul
survey research : a decisional approach: donald; - 1 - usa: intertext books 1973, - 244, ix. 24
includes index
includes references
0 7002 0209 9 (hard cover):
s--mutiple authors
001 433 tul