Mahsulot tavsifi
This book covers the general principles of hygienic regulation of air, water, and soil according to their natural factors
#reglamentlash#yondoshishlar#atmosfera havosi#gigienika#suv tuproqi
Muallif
Goo😎😎 .Tasdiqlangan muallif
- Hujjatlari
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- Sotilgan
- 2 209
