By Pearson
By Carrie Lewis
By comics for phonics
By Katherine Holabird
By Elmasri, Ramez, Navathe, Shamkant B.
By Ferrett, Robert, Preston, John, Sally
By Koneman, Philip A.
By Kroenke, David M.
By Beekman, George
By Sunderraman, Rajshekhar
By Mullins, Laurie
By Blythe, Prof Jim
By Hanke, John E., Wichern, Dean
By Schiffman, Leon, Kanuk, Leslie
By Cameron, Sheila
By Keller, Kevin Lane
By Clow, Kenneth, Baack, Donald
By Albaum, Gerald
By Armstrong, Gary, Kotler, Philip T.
By Savitch, Walter
By Panko, Raymond R.
By SPSS, Inc.
By Unidentified Author
By Goody, Roy W.
By Etter, Delores M.
By Reis
By Hanly, Jeri R., Koffman, Elliot B.
By Floyd, Thomas L.