R. Hitchings

The organic seed regulations framework in Europe—current status and recommendations for future development

Louisa R. Winkler, E. T. Lammerts van Bueren, T. Döring, 2012, Organic Agriculture.

Organic substrate for transplant production in organic nurseries. A review

A. Koren, J. A. Pascual, M. Koller, 2018, Agronomy for Sustainable Development.

UK and EU policy for approval of pesticides suitable for organic systems: Implications for Wales

N J Bradshaw, C J Stopes, A J Little, 2004 .

Public goods and farming

S. Padel, C. Gerrard, B. Pearce, 2012 .

OCIS Public Goods Tool Development

S. Padel, C. Gerrard, B. Pearce, 2011 .