Pollution to purity of environment /
Singh, Gurcharan.
Pollution to purity of environment / Gurcharan Singh. - New Delhi : Deep & Deep Publications, 2000 - viii, 124 p. ; 23 cm.
Includes index.
8176292362 ;9788176292368
Environmental policy -- India.
363.73
Pollution to purity of environment / Gurcharan Singh. - New Delhi : Deep & Deep Publications, 2000 - viii, 124 p. ; 23 cm.
Includes index.
8176292362 ;9788176292368
Environmental policy -- India.
363.73