Conservation agriculture: Systems thinking for sustainable farming oleh Jeffrey Mitchell, Ron Harben, Garrison Sposito, Anil Shrestha, Daniel Munk, Gene Miyao, Randy Southard, Howard Ferris, William R. Horwath, Eric Kueneman, Judee Fisher, Monte Bottens, Phil Hogan, Robert Roy, Jim Komar, Dwayne Beck, Don Reicosky, Michelle Leinfelder-Miles, Brenna Aegerter, Johan Six, Tom Barcellos, Dino Giacomazzi, Alan Sano, Jesse Sanchez, Mike Crowell, John Diener, Darrell Cordova, Trevor Cordova, Jerry Rossiter