Deismireacht APA

Duggal, K. N. (1983). Elements of public health engineering (3rd.). S. Chand.

Chicago Edition Citation

Duggal, K. N. Elements of Public Health Engineering. 3rd. New Delhi: S. Chand, 1983.

Deismireacht MLA

Duggal, K. N. Elements of Public Health Engineering. 3rd. S. Chand, 1983.

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