1. A textbook evironmental chemistry: [for B. SC., B. SC. (hons) and M. SC. students]
Author: / by O. D. Tyagi, M. Mehra
Library: Central library of medical university of Isfahan (Esfahan)
Subject: Environmental chemistry
Classification :
TD193
.
T9
1990
2. A textbook of Environmental chemistry
Author: / O.D.Tyagi,M.Mehra
Library: Central Library and Documents Center of Mazandaran University (Mazandaran)
Subject: Environmental Chemistry
Classification :
TD193
T9E6
1994
