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1. Introduction
Uncertainty-based techniques (grey systems, fuzzy mathematics, rough sets, etc.) have emerged as powerful tools to manage business and data uncertainty in the recent past. This study investigates the impactful research carried out in the last decade of Grey Systems: Theory and Application Journal (GSTA). This journal is an official journal of the International Association of Grey System and Uncertain Analysis. The GSTA is an international journal focusing on publishing research related to grey systems and uncertainty analysis and their application in science and engineering. The journal is edited by Professor Sifeng Liu, Nanjing University of Aeronautics and Astronautics, People's Republic of China, who is an impactful researcher in the domain. GSTA published by Emerald Publishing Limited (UK) publishes innovative research from the area of grey systems, uncertain information and their analysis. The GSTA, Professor Sifeng Liu edited journal, features among the top Journals in the area of grey theory applications and is indexed in EBSCO, ReadCube Discover, Science Citation Index Expanded with Clarivate Analysis impact factor of 3.321 for the year 2020 (https://www.emerald.com/insight/publication/issn/2043-9377). The first impact factor of GSTA was announced in JCR (Journal Citation Reports) in June 2020. The journal was indexed in Emerging Science Citation Index (ESCI) in the year 2018 and Science Citation Index Expanded (SCIE) in 2019.
The official description of the scope of GSTA journal says “The articles published will investigate the theory and applications of grey systems as well as contributions on hybrid approaches combining grey systems with other uncertainty theories, to tackle uncertain information more effectively and efficiently with potential application to solve practical problems that include, but is not limited to: foundations of grey systems theory and other uncertain methods, grey sequence operators, grey incidence analysis models, grey clustering evaluations models, techniques for grey system forecasting, grey models for decision-making, combined grey models, hybrid grey-fuzzy or grey-rough models, grey input-output models, techniques for grey control and applications of grey systems theory and uncertainty analysis”. The journal has advanced from eight manuscripts in its first publication to 392 research articles by 2021. This quantum rise in the publication in the last decade brings the need for an in-depth retrospection of its published articles to see its way forward. The bibliometric analysis (BA) is a proven method...