This is actually the quantity assigned towards your article via the publisher, and it's the one particular you might use to reference your report throughout the library catalogues. ISSN code (also referred to as as "ISSN construction" or "ISSN syntax") is usually expressed as follows: NNNN-NNNC SJR The SJR is https://www.directivepublications.org/journal-of-applied-nanoscience/