Mahsulot tavsifi
A holistic guide on soil hygiene and general principles of cleaning living areas. Covers environmental impacts, biogeochemical background, and preventive measures against endemic diseases
#tuproq#gigienasi#aholi yashash joylari
Muallif
Ergash ShamurotovTasdiqlangan muallif
- Hujjatlari
- 1 053
- Sotilgan
- 20
