Sandell, Klas
Ecostrategies in theory and practice farmers' perspectives on water nutrients and sustainability in low-resource a agriculture in the dri zone of Sri Lanka [Text] Sandell, Klas - 1988 - 198 p. ill. 24 cm - Lonkoping studies in arts and science 9 .
Sociology
307.72 / SAN
Ecostrategies in theory and practice farmers' perspectives on water nutrients and sustainability in low-resource a agriculture in the dri zone of Sri Lanka [Text] Sandell, Klas - 1988 - 198 p. ill. 24 cm - Lonkoping studies in arts and science 9 .
Sociology
307.72 / SAN