effects of disease on rural economy, social structure and settelement
Subtitle: a case study of onchocerciasisin the Hawal Valley, North East State, Nigeria.
Series: working papers -- no.18.
Publisher: [produced in 1972?]
Place of publication: [Unpublished]
Language: eng
Number of pages: 11
Notes: ... for private circulation...

The paper is based on one presented originally to the Medical Geography Study Group of the Institute of British Geographers in September 1972 and is an expanded version of a note published in 'Savannah' (Ahmadu Bello University, Nigeria) 1972, 1(1), 113 etc.