Knowledge Framework and Evolution of Fuzzy Portfolio Research: A Bibliometric Analysis

Table 6

Top 20 most productive institutions.

Institution	Country	Frequency	Centrality
South China University of Technology	China	38	0.01
Islamic Azad University	Iran	23	0.01
Shahed University	Iran	17	0.00
University of Delhi	India	16	0.01
University of Science and Technology Beijing	China	14	0.00
Hebei University	China	14	0.00
Capital University of Economics and Business	China	12	0.02
Waseda University	Japan	12	0.00
Chinese Academy of Sciences	China	12	0.04
University of Oviedo	Spain	12	0.00
Beijing University of Chemical Technology	China	12	0.01
Sichuan University	China	11	0.02
University of Tehran	Iran	11	0.00
Osaka University	Japan	11	0.01
Beihang University	China	10	0.01
Amirkabir University of Technology	America	10	0.00
University of Valencia	Spain	9	0.00
La Salle University	France	8	0.00
Iran University of Science & Technology	Iran	8	0.00
City University of Hong Kong	China	7	0.02