Smith, R.T.
Organic farming sustaining earth and people / Richard Thornton Smith - Kelaniya Centre for Sustainable Farming & Energy 2007 - viii, 167 pages.
Includes appendixes.
9958845078
Organic farming
631.584 / SMI
Organic farming sustaining earth and people / Richard Thornton Smith - Kelaniya Centre for Sustainable Farming & Energy 2007 - viii, 167 pages.
Includes appendixes.
9958845078
Organic farming
631.584 / SMI