| Views | |
| Combined Treatment of Domestic and Industrial Waste Waters | 111 |
| tammikuu 2013 | helmikuu 2013 | maaliskuu 2013 | huhtikuu 2013 | toukokuu 2013 | kesäkuu 2013 | |
| Combined Treatment of Domestic and Industrial Waste Waters | 12 | 12 | 20 | 14 | 35 | 18 |
| Views | |
| United States of America | 34 |
| Canada | 26 |
| India | 26 |
| China | 14 |
| Ireland | 2 |
| Germany | 1 |
| Ethiopia | 1 |
| Finland | 1 |
| Russian Federation | 1 |
| Singapore | 1 |
| Views | |
| Toronto | 26 |
| Mountain View | 12 |
| Beijing | 10 |
| Redwood City | 10 |
| Birur | 5 |
| Ashburn | 3 |
| Bangalore | 3 |
| Bhimavaram | 3 |
| Delhi | 2 |
| San Francisco | 2 |