Еңбекті қорғау және тіршілік қауіпсіздігін қамтамасыз ету
Тәжин Ж.
Дәрістер жинағы. – Алматы: БҒО КҚУ, 2009. –148 б.Содержит 30 лекции, глоссарий и материалы для изучения.
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ผลการค้นหาเพิ่มเติม
สิทธิประโยชน์อื่นๆ 
To build up a library is to create a life. It’s never just a random collection of books.
