| 1 | subject_keyword:Catalizadores | 199 | 37.83% | 0.00 |
| 2 | subject_keyword:Productos petroquímicos | 185 | 35.17% | 0.00 |
| 3 | dateIssued_keyword:2020 | 175 | 33.27% | 0.00 |
| 4 | subject_keyword:Comercio exterior | 160 | 30.42% | 0.00 |
| 5 | subject_keyword:Procesos químicos | 155 | 29.47% | 0.00 |
| 6 | author_keyword:Arias Aguilar, Arturo Alfredo | 144 | 27.38% | 0.00 |
| 7 | subject_keyword:Desarrollo sostenible | 133 | 25.29% | 0.00 |
| 8 | author_keyword:Mamani Paco, Giussepi Ali Jhonatan | 105 | 19.96% | 0.00 |
| 9 | subject_keyword:Gas Natural | 94 | 17.87% | 0.00 |
| 10 | subject_keyword:Aditivos | 93 | 17.68% | 0.00 |
