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Mahsulot tavsifi

Study of the development of hygiene science in the XIX and XX centuries, focusing on sanitary engineering, bacterial development, and its impact on hygiene

#fani#gigiyena#taraqqiyot#sanitariya#bakteriologiya#xix asr

Muallif

Sotuvchi 366527Tasdiqlangan muallif
Hujjatlari
40 849
Sotilgan
676

O'xshash hujjatlar

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