Holistic resource management workbook /
Bingham, Sam.
Holistic resource management workbook / Sam Bingham, Allan Savory. - Covelo, Calif. : Island, 1990. - 182 p. ; 29 cm.
0-933280-69-6
SF85 / B55
Holistic resource management workbook / Sam Bingham, Allan Savory. - Covelo, Calif. : Island, 1990. - 182 p. ; 29 cm.
0-933280-69-6
SF85 / B55