Macewan, J. M.
Subsistence agriculture / J. M. Macewan. - [Port Moresby] : Dept. of Primary Industry, [1978]. - 56p. : ill., maps. - Agriculture in the economy : .
Cover title.
0724705597
Agriculture--Papua New Guinea.
Agriculture--Developing countries.
Subsistence agriculture / J. M. Macewan. - [Port Moresby] : Dept. of Primary Industry, [1978]. - 56p. : ill., maps. - Agriculture in the economy : .
Cover title.
0724705597
Agriculture--Papua New Guinea.
Agriculture--Developing countries.