Yazar
S Kaplun
14 cilt bulundu.
Cilt sonuçları
The protection of labor in soviet Russia
S. Kaplun · The Russian Soviet Government Bureau
30 sayfa · 1920
Labor laws and legislation / Working class
Spravochnik po sanitarnoĭ okhrane truda
S. A. Taĭt︠s︡, Z. B. Smeli︠a︡nskiĭ, I︠A︡. I. Kurit︠s︡kiĭ, S. Kaplun · Profizdat
274 sayfa · 1936
Factory sanitation / Industrial hygiene