Որոնման արդյունքները - Elkington, John

The green consumer / ‌ Elkington, John

The breakthrough challenge : 10 ways to connect today's profit with tomorrow's bottom line / ‌ Elkington, John, Zeitz, Jochen

An electronic book accessible through the World Wide Web; click to view

The green consumer supermarket guide / ‌ Makower, Joel, 1952-

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