Statistics and Emerging Trends 2004. International Federation of Organic Agriculture Movements (IFOAM).
Statistics and Emerging Trends 2004. International Federation of Organic Agriculture Movements (IFOAM). - Tài liệu nông nghiệp 56
Statistics and Emerging Trends 2004. International Federation of Organic Agriculture Movements (IFOAM)./ Willer, H. and M. Yussefi. Zandstra H.G Switzerland 2006 Ký hiệu xếp giá:Agriculture Movements
