One is the core of Nantah and the other is the core of Peking University, which mainly depends on the standards of the school. For example, our school only recognizes the core of Nantah.

The core of Peking University is the academic definition of a certain kind of periodical, a classification of periodical grades. Its target is China academic information network periodical. It is a periodical divided according to various factors such as periodical influence factors.

Introduction:

The core of Peking University was appraised by many authoritative experts from the joint academic circle of Peking University Library, and the libraries of several universities in China were determined according to the citation rate, reprint rate and abstract rate of periodicals. It has been widely recognized by academic circles that the standards for identifying core journals are also formulated by some university libraries, and the evaluation and access standards of each school library are also different.

As far as influence is concerned, its ranking is one of the more authoritative divisions of its kind. It is the most authoritative academic influence besides NTU core and China Science Citation Database (cscd).