International rice research institute. (1990). Proceedings of the planning workshops on ecosystems analisis for extrapolation of agricultural technologies. Philippines: International rice research institute.
Trích dẫn kiểu ChicagoInternational rice research institute. Proceedings of the Planning Workshops On Ecosystems Analisis for Extrapolation of Agricultural Technologies. Philippines: International rice research institute, 1990.
Trích dẫn MLAInternational rice research institute. Proceedings of the Planning Workshops On Ecosystems Analisis for Extrapolation of Agricultural Technologies. Philippines: International rice research institute, 1990.
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