Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
furrow irrigation » farm irrigation, crop irrigation, flood irrigation
case integration » care integration, scale integration, based integration
supply furrow » supply from
supply case » supply cost, supply chain, supply curve
systems. » system.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply case integration theories. ) OR ( supply furrow irrigation systems. ))~.
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