Principles of geographical information systems 由 Burrough, Peter A.

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Agroforestry in India 由 Tejwani, K.G

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Fundamentals of geographic information systems 由 DeMers, Michael N.

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Silvopasture management in hot arid and semi-arid ecosystems 由 Sharma, N.K

主题: “...Agroforestry systems...”

MIS in public sector 由 Singla, M.L

主题: “...Computer systems...”

The electronic mailbox 由 Mayer, Ira

主题: “...Electronic mail systems...”

The Business guide to the UNIX system 由 Emerson, Sandra L.

主题: “...Operating systems (Computer)...”

The business guide to the UNIX system 由 Emerson, Sandra L.

主题: “...Operating systems (Computer)...”

Silvicultural systems major forest types of United States.

主题: “...Silvicultural systems...”

Critical levels in the development of natural systems 由 Kuzmin, Victor I.

主题: “...Biological systems...”

Fertilizer use under multiple cropping systems

主题: “...Cropping systems...”

Proceedings of the symposium on cropping patterns in India held at Delhi on January 27th-31st, 1968

主题: “...Cropping systems...”

Sharing earths harvest : creating abundance or scarcity 由 Bhar , Radha Holla

主题: “...Cropping systems...”

Systems biology : definitions and perspectives

主题: “...Systems biology...”

Fertilizer use under multiple cropping systems

主题: “...Cropping systems...”

Systems engineering guidebook : a process for developing systems and products 由 Martin, James N.

主题: “...Systems engineering...”

Systems analysis and data processing 由 Menon, K.S

主题: “...Systems analysis...”

Organising spatial information systems around a GIS core (Database organisation and integrated analysis using GIS) 由 Chandrasekhar, M G

主题: “...Geographic information systems...”

Role of shelterbelts in low rain fall agroforestry systems of Northern Karnataka 由 Shivanna, H.

主题: “...Agroforestry systems...”

Global systems dynamics

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