If your community has large areas of cultivated cactus pears or if it is a good climate for cactus pears but little is grown, this manual could be of real value to you.
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This 150 page manual with 13 pages of reference, will surely give you all you need to know about the utilisation of cactus pear. You can then build your business by integrating this information with you knowledge of your community using you entrepreneurial skills, which you can learn with documents online which can be format in PDF files using software as sodapdf online.
A quick scan through the chapters of the manual illustrates the breadth and detail of the information.
The manual is available for free download, however, if you have problems please email me and I will make sure you get a copy.