On research methods
Subtitle: the case of village surveys as a primary source of data for hypothesis testing
By: by Khalid Affan.
Series: Research methods ;; no. 1
Publisher: Economic and Social Research Council, National Council for Research
Published: 1983
Place of publication: Khartourm
Language: eng
Number of pages: 56
Subjects: Social surveys -- Sudan.
Other titles: Handbook on research methodology.
Notes: "March 1983."
At head of title: Handbook on research methodology.