Mahsulot tavsifi
This book discusses the importance of hygiene and personal hygiene, implementation of sanitary regulations in educational institutions, and creating hygienic conditions for students
#gigiyenik sharoitlar#ta'lim-tarbiya gigiyenasi#sanitariya-qoida
Muallif
Sotuvchi 366527Tasdiqlangan muallif
- Hujjatlari
- 40 849
- Sotilgan
- 676
