Samaj, paryavaran aur abhiyantriki
303.483
G977S
Gupta, Arvind
 Samaj, paryavaran aur abhiyantriki \ Arvind Gupta - New Delhi : Rajkamal, 1999.
 312p.   ISBN: 81-7178-774-6
141297
  Subjects: Environmental engineering; Environmental education; Educational sociology.

