This is the range assigned to the post because of the publisher, and it is the 1 you'll use to reference your short article in the library catalogues. ISSN code (also called as "ISSN framework" or "ISSN syntax") could be expressed as follows: NNNN-NNNC SJR The SJR is really a https://www.directivepublications.org/journal-of-applied-nanoscience/