@book{4118,
	author = {Ψαρρού, Μάγδα Κ. and Ζαφειρόπουλος, Κώστας },
	title = {Επιστημονική έρευνα :},
	publisher = {Τυπωθήτω,},
	year = {2004.},
	address = {Αθήνα :}
}