Gupta, PK
Vermicomposting for Sustainable agriculture - India, Agrobios 2012 - 210
81-7754-234-6
Earth worm measurement
Organic farming
010
631.584 GUP/VE
100
Vermicomposting for Sustainable agriculture - India, Agrobios 2012 - 210
81-7754-234-6
Earth worm measurement
Organic farming
010
631.584 GUP/VE
100