Research methods :
Martella, Ronald
Research methods : learning to became a critical research consumer / Ronald C. Martella, Ronald Nelson, Nancy E. Marchand-Martella. - Boston : Allyn and Bacon, c1999. - 586 σ. ; 25 εκ.
0205271251
Καταναλωτική συμπεριφορά--Έρευνα
658.834
Research methods : learning to became a critical research consumer / Ronald C. Martella, Ronald Nelson, Nancy E. Marchand-Martella. - Boston : Allyn and Bacon, c1999. - 586 σ. ; 25 εκ.
0205271251
Καταναλωτική συμπεριφορά--Έρευνα
658.834