Mahsulot tavsifi
Guidelines for general hygiene requirements in primary schools and educational institutions. Includes personal hygiene practices for staff, sanitation maintenance, and ensuring a clean and healthy environment for students
#maktablar#gigiyenik talablar#umumiy gigiena talablari
Muallif
Sotuvchi 291059Tasdiqlangan muallif
- Hujjatlari
- 68 703
- Sotilgan
- 3 143
