Mahsulot tavsifi
This book assesses school supplies and educational equipment in terms of sanitary hygiene, ensuring the health and safety of children, and monitoring compliance with hygiene standards
#texnik reglamentlar#gigiena talablari#sanitariya gigiyena#sanitariya qoidalar
Muallif
Nazar RayaTasdiqlangan muallif
- Hujjatlari
- 10 245
- Sotilgan
- 634
