How many references should mention in a review article?
To have a good and robust article recommended you must include an important number of references especially references that have contributed to the same topic as you.
Alireza,
There is no set minimum number. The main thing is that the citations and reference list is representative of the current (and past for historical and/or seminal context) topic state of affairs and that a rigorous and methodological process has been used to capture 'all' the relevant research. A literature review should never be judged by quantity - but always judged by quality i.e. critical integration (analysis and synthesis) of the collected literature that is most representative of the topic area. The nature of the topic and how recent and 'topical' the topic is will often determine the extent of the literature that is available that should be cited and listed.
Dear Alireza, when you do not have ample references especially on a subject matter that is widely held, your readers may think that you have done less into existing literature. However, too many references may also leave them to wonder if you did anything to shift the frontiers of knowledge. I suggest that more emphasis should be on your results' and findings. I conclude that between 7-30 references can make a good paper having take note of the leading statements.
As @Dean elaborated, it's more about the quality of the references and that they cover the whole addressed review.
To have a good and robust article recommended you must include an important number of references especially references that have contributed to the same topic as you.
I think it depends on topics of article and it is better to use minimum 10 references.
It depends on the type of paper. Revision articles can go as far as 100 while some simple conference presentations may have as few as five or less. I'd say that it very much depends on the journal and scientific field. Mine, education, is about 50 for revision papers and 25-35 for the rest.
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