Creator
- Daibes, Ibrahim 3
- European Federation of Chemical Engineering 3
- Grover, Brian 3
- Hungary 3
- Iran 3
- Italy 3
- Jordan 3
- Julius, DeAnne S., 1949- 3
- Kenya 3
- Kolars, John F. 3
- Krampe, K. D. 3
- Latvia 3
- Lithuania 3
- McGarry, Michael 3
- Michail, Medy 3
- Niger 3
- Periel, Aaharon 3
- Rīmāwī, ʻUmar 3
- Saudi Arabia 3
- Schroder, L. J. 3