Pesticides and appliances
Mehta, P.R., Varma, B.K.
Pesticides and appliances by P.R. Mehta and B.K. Varma - India Farm Information 1961 - 110 p.
Pesticides
632.95 / M 498 P
Pesticides and appliances by P.R. Mehta and B.K. Varma - India Farm Information 1961 - 110 p.
Pesticides
632.95 / M 498 P