Bruyn, H. <br/><br/>
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 .
<br/><br/><label>LCCN: </label>90032033 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Papua New Guinea.<br/>Agriculture--Papua New Guinea.<br/>Agriculture--Developing countries.