Interstate rubricator of scientific and technical information
MRNTI is designed for a unified thematic systematization of scientific and technical information (STI). The interstate NTI rubricator is the basis of the system of rubricators created and used in NTI bodies. The interstate NTI rubricator is a hierarchical classification system with universal thematic coverage.
JEL Classification Codes
The JEL classification system was developed for use in the Journal of Economic Literature (JEL) and is currently the standard method for classifying scientific literature in the field of economics. The system is used to classify articles, dissertations, books, reviews and working materials in the EconLit database and many other sources.
