-
1by Bradley, Bill, Walker, Charls, Lindholm, Richard, Aaron, Henry, Ellentuck, AlbertGet full text
Published in U.S. news & world report
Magazinearticle -
2by Greiman, Bradley C, Walker, WEston D, Riley, Jim, Birkenholz, Robert JGet full text
Published in The Agricultural education magazine (1980)
Magazinearticle