Pollution of agricultural lands from sewage and industrial wastes
AZAD, Ajab Singh
Pollution of agricultural lands from sewage and industrial wastes - Ludhiana 1981 - 170,20L
POLLUTION -- LUDHIANA
FACTORY AND TRADE WASTE -- LUDHIANA POLLUTION -- LUDHIANA
628.168 654 5 A99P
Pollution of agricultural lands from sewage and industrial wastes - Ludhiana 1981 - 170,20L
POLLUTION -- LUDHIANA
FACTORY AND TRADE WASTE -- LUDHIANA POLLUTION -- LUDHIANA
628.168 654 5 A99P