Hillary, Ruth
The eco-management and audit scheme : a practical guide / Ruth Hillary. — Hertfordshire : Technical communications, [s. a.]. — CIDIMA. — viii, 113 p. : tab., gráf. ; 30 cm. — ( Business and the environment practitioner) ISBN 0-946655-81-2 1. Auditoría ambiental.2. Gestión ambiental. 504:657.6