American Educational Research Journal Nr.1.2.3.4 1990

American Educational Research Journal Nr.1.2.3.4 1991

American Educational Research Journal Nr.1.2.3.4 1992

American Educational Research Journal Nr.1.2.3.3.4.4 1993

American Educational Research Journal Nr.1.1.2.3.4 1994

American Educational Research Journal Nr.1.2.3.4 1995

American Educational Research Journal Nr.1.2.3.4.4 1996

American Educational Research Journal Nr.1.2.3.4 1997

American Educational Research Journal Nr.1.2.3.4.4 1998

American Educational Research Journal Nr.1.2.3.4 1999

American Educational Research Journal Nr.1.2.3.4 2000

American Educational Research Journal Nr.1.2.3.4 2001