John R. Ray

School business administration

2001 John R. Ray, Walter G. Hack, and I. Carl Candoli

School business administration

1995 Walter G. Hack, I. Carl Candoli, and John R. Ray

Technology, computers, and the special needs learner

1995

School business administration

School business administration

1992 I. Carl Candoli, Walter G. Hack, and John R. Ray

Computers in educational administ...

Computers in educational administration

1991

[The role and behavior of spin in...

[The role and behavior of spin in gravitational physics]

1987

Computer programs for teaching st...

Computer programs for teaching statistical computations to beginners

1968

Laboratory exercises in physical ...

Laboratory exercises in physical geography

1967

Resource conservation in the Unit...

Resource conservation in the United States

1961

Barriers to more active contractor participation in the Department of Defense Value Engineering program

Year unknown

Laboratory exercises in physical ...

Laboratory exercises in physical geography

Year unknown