Bibliografía (11 obras)
Oxford Handbook of Singing
2019
Farm management pocketbook 2015
2014
John Nix Farm Management Pocketbook
2010
Land and estate management
2003
From studio to stage
2002
1987
Managing farms in a time of contraction
1984
Farm mechanisation for profit
1983
Farm management pocketbook
1966
The yard and parlour
1962
Farm crop irrigation
1961
