Here is the quantity assigned to the posting via the publisher, and it's the a single you will use to reference your posting within the library catalogues. ISSN code (also referred to as as "ISSN construction" or "ISSN syntax") is usually expressed as follows: NNNN-NNNC ResearchBite is really a System https://www.directivepublications.org/journal-of-applied-nanoscience/