Survey Research methods
Earl Babbie
Survey Research methods - 2nd ed - Belmont , California Wadsworth Publishing 1998 - xvi,367p.: ill.,23cm.
0-534-12672-3
300.723 BAB
300.723 BAB
Survey Research methods - 2nd ed - Belmont , California Wadsworth Publishing 1998 - xvi,367p.: ill.,23cm.
0-534-12672-3
300.723 BAB
300.723 BAB