Tropical farming conomics /
Haswell, Margaret R.
Tropical farming conomics / by Margaret R. Haswell - London : Longman, 1973. - Tropical agricultural sries .
0582466709
Agriculture Industry Economics
Tropical farming conomics / by Margaret R. Haswell - London : Longman, 1973. - Tropical agricultural sries .
0582466709
Agriculture Industry Economics