Environmental pollution Yogendra N. Srivastava.

Srivastava, Y.N.

Environmental pollution Yogendra N. Srivastava. - New Delhi Ashish Publishing House 1989 - 83p., 22cm.

81-7024-210-x.

614.7, / S65E
HMS Central Library, Jamia Hamdard, Hamdard Nagar, New Delhi -110062, INDIA