TY - BOOK AU - Ray, P. TI - Ecological Imbalance of the Ganga River System: Its Impact on Aquaculture SN - 8170351952 U1 - 639.2.052.32 PY - 1998///, CY - Delhi PB - Daya Publishing House KW - Ecological Imbalance KW - Ganga River System KW - Aquaculture ER -