by (United States)David A.Castillon;by (United States)John W.Santrock; by (United States)Doris Appleby;by (United States)John W.Santrock; by (United States)David Becker;by (United States)John C.Kotz; by (United States)David S.Saxon;by (United States)Norma gaffron; by (United States)C.S.Lewis;by (United States)John Walton; by (United States)David A.C.;by (United States)Doris P.; by (United States)David A.Ucko;by (United States)A.J.Dunning; by (United States)David B.;by (United States)Don A.; by (United States)David R.Hampton;by (United States)David R.Shaffer; by (United States)Jerry R.Wilson;by (United States)John Whiteside;