|
Universidade de Aveiro
|
University
|
Portugal |
135
|
|
Instituto Nacional del Carbón
|
Research Centre
|
Spain |
16
|
|
Universidade Do Porto
|
University
|
Portugal |
10
|
|
King Saud University
|
University
|
Saudi Arabia |
8
|
|
Universidade de Coimbra
|
University
|
Portugal |
4
|
|
Universidad de Extremadura
|
University
|
Spain |
3
|
|
Italian Institute of Technology
|
Research Centre
|
Italy |
3
|
|
Nanjing University of Aeronautics and Astronautics
|
University
|
China |
3
|
|
University of Electronic Science and Technology of China
|
University
|
China |
2
|
|
Mississippi State University
|
University
|
United States |
2
|
|
University of Johannesburg
|
University
|
South Africa |
2
|
|
Universidad Politécnica de Valencia
|
University
|
Spain |
1
|
|
Instituto de Ciencias Agrarias
|
Research Centre
|
Spain |
1
|
|
University of Edinburgh
|
University
|
United Kingdom |
1
|
|
Umeå University
|
University
|
Sweden |
1
|
|
University of Malaya
|
University
|
Malaysia |
1
|
|
University of Southern Denmark
|
University
|
Denmark |
1
|
|
Tokyo University of Agriculture and Technology
|
University
|
Japan |
1
|
|
Abdelmalek Essaâdi University
|
University
|
Morocco |
1
|
|
Universidad Autónoma de Yucatán
|
University
|
Mexico |
1
|
|
Instituto Politécnico do Porto
|
University
|
Portugal |
1
|
|
Instituto Politécnico Nacional
|
University
|
Mexico |
1
|
|
Jiangsu University
|
University
|
China |
1
|
|
Duy Tan University
|
University
|
Vietnam |
1
|
|
Princess Nourah bint Abdulrahman University
|
University
|
Saudi Arabia |
1
|
