Chaturvedi, P. . .. (2005). Challenges of occupational safety and health. Concept publishing.
শিকাগো স্টাইলে সাইটেশনChaturvedi, Pradeep. Challenges of Occupational Safety and Health. New Delhi: Concept publishing, 2005.
এমএলএ সাইটেশনChaturvedi, Pradeep. Challenges of Occupational Safety and Health. Concept publishing, 2005.
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