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$model = Mage::getModel('shop/people');

 app/local/VendorName/PluginName/etc/config.xml

        <models>
            <shop>
                <class>VisionDirect_StoreLocator_Model</class>
                <resourceModel>storelocator_mysql4</resourceModel>
            </shop>
            <shop_mysql4>
                <class>VisionDirect_StoreLocator_Model_Mysql4</class>
                <entities>
                    <people>
                        <table>storelocator_people</table>
                    </people>
                </entities>
            </shop_mysql4>
        </models>