Note: TC^a : the total citations for a journal. TC/P^b : average number of citations per paper for a journal. h-index^c o: according to Hirsch in 2005(Hirsch 2005): A scientist has index H if H of his/her Np papers have at least H citations each, and the other Np-H pappers have no more than H citations each, in which Np is the number of articles published during n years. A high H-index indicates greater academic impact. IF^d : 5-year impact factor, impact factors data from the 2020 edition of Journal Citation Reports in Web of Science.