Маҳсулотлар
Ишлаб чиқувчилар учун
2 та иш
Иш: Drinking water contamination and treatment techniques
Abdumauvlen Berdyshev, Zulfizarkhon Djumabayeva, Akmaljon Abdullaev +1
Davron Bekchanov, Mukhtarjan Mukhamediev, Maruf Juraev +1