Mahsulot tavsifi
This book covers water and soil hygiene, including protection of water sources, regular monitoring, and purification methods. It also includes standards for microorganisms and chemical levels in drinking water
#yer osti suvlar#ichimlik suvi gigiyenasi#monitoring
Muallif

KSEROKS 001Tasdiqlangan muallif
- Hujjatlari
- 36 503
- Sotilgan
- 7 531









