Systems appoaches for agricultural development: Proceedings of the international symposium on systems approaches for agricultural development, 2-6 december 1991, Bangkok, Thailand / Frits Penning de Vries, Paul Teng...Edited by
London: Klwer academic publishers, 1993
542tr. ; 24 cm
Ký hiệu xếp giá: 338.1 SYS 1993Nông nghiệp
Tiêu đề đề mục: Hệ thống nông nghiệp

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