The active world :
Jones, Peter
The active world : industry, agriculture and services / Peter Jones and Bob Pike - U. K. : Arnold-Wheaton, c1987. - 94 p. ; 28 cm.
Agriculture and state
HD2072 / . 1987
338.1 / J76a
The active world : industry, agriculture and services / Peter Jones and Bob Pike - U. K. : Arnold-Wheaton, c1987. - 94 p. ; 28 cm.
Agriculture and state
HD2072 / . 1987
338.1 / J76a