TY - BOOK AU - Asthana,D.K. AU - Asthana,Meera TI - Environment: problems and solutions SN - 8121916542 U1 - 333.7 19 PY - 1998/// CY - New Delhi PB - S. Chand and Company Ltd. KW - Sociocultural environment KW - Spines KW - Environment management N1 - env N2 - Environment Management ER -