Norton, A. G.,...[et.al]
Integrated crop protection for small - scale farms in Eastern Africa A. G Norton,.,...[et.al] - London Commonwealth Science Council 1986 - 33 p.- - Technical Publication Series 193 .
631.5 / INT
Integrated crop protection for small - scale farms in Eastern Africa A. G Norton,.,...[et.al] - London Commonwealth Science Council 1986 - 33 p.- - Technical Publication Series 193 .
631.5 / INT