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Conversion to organic agriculture in Australia : problems and possibilities in the cereal-livestock industry / Els Wynen.
by National Association for Sustainable Agriculture, Australia.; Wynen, Els.;
Year: 1992., Callno: 631.58(94) WYN [Q]
Book
Wheat marketing for sustainable producers in Australia / Els Wynen.
by National Association for Sustainable Agriculture, Australia.; Wynen, Els.;
Year: 1989., Callno: 633.11:658.8(94) WYN
Book
NASAA production implementation scheme : inspection, licensing and levies / Els Wynen. [Variant title:NASAA production standards implementation scheme : inspection, licensing and levies.]
by Wynen, Els.; National Association for Sustainable Agriculture, Australia.;
Year: 1989., Callno: 631.58(94) WYN
Book
Sustainable agriculture : a new direction : proceedings of a symposium held at Dookie College, 20 June 1987 / edited by Els Wynen.
by Wynen, Els.; National Association for Sustainable Agriculture, Australia.;
Year: c1988., Callno: 631.58 SUS [Q]
Book
Sustainable agriculture : a viable alternative / Els Wynen and Sandy Fritz.
by Fritz, Sandy.; Wynen, Els.; National Association for Sustainable Agriculture, Australia.;
Year: c1987., Callno: 631.58 WYN
Book
Organic agriculture in Australia : levies and expenditure : a report for the Rural Industries Research and Development Corporation / by Els Wynen.
by Wynen, Els.; Rural Industries Research and Development Corporation (Australia);
Year: 2003., Callno: 631.58.001.5(94) WYN [Q]
Book
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