Thomas, Gerald W.
Progress and change : in the agricultural industry Gerald W.Thomas - Lowa: WMC Brown Book, 1969. - xiv, 178p.
PB
Eng
Agriculture
630 / THP
Progress and change : in the agricultural industry Gerald W.Thomas - Lowa: WMC Brown Book, 1969. - xiv, 178p.
PB
Eng
Agriculture
630 / THP