Автор туралы ақпарат
Давидян, Грант Григорьевич
| Шығарылым | Бөлім | Атауы | Файл |
| № 4 (2011) | Articles | Water quality can be and should be managed | |
| № 11 (2011) | Articles | Critical control points of the air and gases purification | |
| № 5 (2011) | Articles | Water quality can be and should be managed |