DeKoeijer TJ, GAA Wossinik, AB Smit, SRM Janssens, JA Renkema and PC Struik (2003). “Assessment of the Quality of Farmers’ Environmental Management and its Effects on Resource Use Efficiency: A Dutch Case Study.” Agricultural Systems 78(1): 85-103.
DeKoeijer TJ, GAA Wossinik, AB Smit, SRM Janssens, JA Renkema and PC Struik (2003). “Assessment of the Quality of Farmers’ Environmental Management and its Effects on Resource Use Efficiency: A Dutch Case Study.” Agricultural Systems 78(1): 85-103.