quite a few businesses are not open at most times. Finally, using a phone book is often handy, but you cannot get the information you need directly, without making use of another form of communication, this most likely being the telephone, in this case in particular. To conclude, all of these methods of gathering information have their own advantages and disadvantages, and you can mix these, to minimise the disadvantages while collecting the data you need. Evaluation of Research Methods…
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