"Bàn về hợp tác xã" hay sự phát triển và vận dụng sáng tạo logic biện chứng của Lenin Tác giả Đặng, Hà Chi

“…It had fulfilled by Lenin based on two main points: to rehearse the essential abstraction distributed as the starting point corresponding to the possibilities of the future society that is still in its infancy; to discover the cooperative system as the basis, the starting point, the commencement of theory and practice to achieve the immediate aim of moving toward socialism, and finally toward communism. …”
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Improving the exploitation of ancient documents in some libraries in Hanoi Tác giả Nguyễn, Thị Ngọc Mai

“…The research starts with a brief overview of libraries in Hanoi and then goes into the details of their collections of ancient documents as well as the real situation of the exploitation of ancient documents in some libraries in Hanoi. …”
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