00313nam a2200109Ia 450000500170000000800410001702000180005808200180007624500550009426000400014930000140018920260205054735.0260111s9999||||xx |||||||||||||| ||und||  a9788180693700  a338.642 So84G 0aGreen productivity in small and medium enterprises  aNew DelhibConcept publishingc2007  a2v ; 294p