An introduction to educational research /
Langenbach, Michael.
An introduction to educational research / Michael Langenbach, Courtney Vaughn and Lola Aagaard. - Boston, MA : Allyn and Bacon, 1994. - 387 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0205139027 RM133.50
Education--Research.
An introduction to educational research / Michael Langenbach, Courtney Vaughn and Lola Aagaard. - Boston, MA : Allyn and Bacon, 1994. - 387 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0205139027 RM133.50
Education--Research.
