World Health Organization (WHO) · Publications
Phương pháp nghiên cứu y tế: sách hướng dẫn huấn luyện các phương pháp nghiên cứu. In lần thứ hai [Health research methodology : a guide for training in research methods. 2nd ed.]
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Organisation
World Health Organization (WHO)
Document type
Publications
Source
World Health Organization