Proceedings. 

 - Blantyre,  1976. 
<br/><br/> Cyclostyled. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Research -- Natural areas.--Research -- Natural areas.<br/>Agricultural ecology.<br/>Conservation of natural resources -- Study and teaching.--Conservation of natural resources -- Study and teaching.<br/>Ecology -- Study and teaching.--Ecology -- Study and teaching.