Six studies in subsistence agriculture /
Bruyn, H.
Six studies in subsistence agriculture / by H. Bryun ... [et. al.]. - Port Moresby : Dept. of Primary Industry, 1980. - 68 p. : ill., map ; 30 cm. - Extension bulletin/Dept. of Primary Industry ; no. 11 . - Extension bulletin (Dept. of Primary Industry) ; no. 11 .
90032033
Agriculture--Economic aspects--Papua New Guinea.
Agriculture--Papua New Guinea.
Agriculture--Developing countries.
Six studies in subsistence agriculture / by H. Bryun ... [et. al.]. - Port Moresby : Dept. of Primary Industry, 1980. - 68 p. : ill., map ; 30 cm. - Extension bulletin/Dept. of Primary Industry ; no. 11 . - Extension bulletin (Dept. of Primary Industry) ; no. 11 .
90032033
Agriculture--Economic aspects--Papua New Guinea.
Agriculture--Papua New Guinea.
Agriculture--Developing countries.