Carrad, Bruce.
The marketing and production of smallholding rubber in Papua New Guinea / Bruce Carrad. - [Port Moresby] : Department of Primary Industry, 1980. - 96 p. : ill.
Rubber--Papua New Guinea.
The marketing and production of smallholding rubber in Papua New Guinea / Bruce Carrad. - [Port Moresby] : Department of Primary Industry, 1980. - 96 p. : ill.
Rubber--Papua New Guinea.