Educational research an introduction

Bibliografiske detaljer
Hovedforfatter:	Gall, Meredith D. 1942-
Andre forfattere:	Borg, Walter R., Gall, Joyce P.
Format:	Bog
Udgivet:	Boston Allyn and Bacon c2003.
Udgivelse:	7th ed.
Fag:	Education > Research. Education > Research > United States.