"cooper, donald r. "
Business research methods: / Donald.R. Cooper - 10 ed. - boston : mcgraw-hill 2008. - " xxii, 746p.; 29 cm."
978-007-126333-7
658. 57 c00
Business research methods: / Donald.R. Cooper - 10 ed. - boston : mcgraw-hill 2008. - " xxii, 746p.; 29 cm."
978-007-126333-7
658. 57 c00