Mahsulot tavsifi
This book covers sanitary standards and hygiene requirements in organized groups of children, including factors like air quality, living space, ventilation, temperature, and humidity
#gigiyenik talablar#bog'cha gigiyenasi#bolalar salomatligi
Muallif
Sotuvchi 366527Tasdiqlangan muallif
- Hujjatlari
- 40 849
- Sotilgan
- 675
