Subsistence agriculture improvement : manual for the humid tropics /
edited by Friedhelm Goeltenboth; [contributing authors V.E. Dalpadado... [et al.]. ; illustrated by Sally Shaw].
- Wau, Papua New Guinea : Wau Ecology Institute, c1985.
- 228 p. : ill.
- Wau Ecology Institute handbook ; no 10 .
9980730013
Agriculture--Papua New Guinea.
Subsistence agriculture--Papua New Guinea.
9980730013
Agriculture--Papua New Guinea.
Subsistence agriculture--Papua New Guinea.