1
2
3
4
5
by Vaughn, Donald E.
Hinsdale, Ill., Dryden Press 1974
Hinsdale, Ill., Dryden Press 1974
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
6
by Vaughn, Donald E.
New York : Holt, Rinehart and Winston, 1967
New York : Holt, Rinehart and Winston, 1967
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
7
by Vaughn, Donald E.
Pacific Palisades, Calif., Goodyear Pub. Co. 1972
Pacific Palisades, Calif., Goodyear Pub. Co. 1972
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
8
by Vaughn, Donald E.
Upper Saddle River, N.J. : Prentice Hall, 1997
Upper Saddle River, N.J. : Prentice Hall, 1997
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
9
10
by Aby, Carroll D.
Westport, Conn. : Quorum Books, 1995
Other Authors:
“...Vaughn, Donald E....”Westport, Conn. : Quorum Books, 1995
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
11
12