(1999). Soil and water issues in sustainable agricultural development: Proceedings of the 1 st joint workshop in Lan and Water resources management. Hà Nội: Trường Đại học Nông nghiệp Hà Nội.
シカゴスタイル引用形Soil and Water Issues in Sustainable Agricultural Development: Proceedings of the 1 St Joint Workshop in Lan and Water Resources Management. Hà Nội: Trường Đại học Nông nghiệp Hà Nội, 1999.
MLA引用形式Soil and Water Issues in Sustainable Agricultural Development: Proceedings of the 1 St Joint Workshop in Lan and Water Resources Management. Hà Nội: Trường Đại học Nông nghiệp Hà Nội, 1999.
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