Answer Happy

What is a Journal impact factor and why is it useful? a a. An average number of citations over the last two years, used to see how many people have read your particular article. b. An average number of citations over the last two years, used to see how much the journal charges in publishing fees. C. An average number of citations over the last two years, used to see the importance and ranking of a journal in its field. O d. An average number of citations over the last two years, used to rank scientists for promotion.