Nsowah-Nuamah, Nicholas N.N. Demographic statistics : a handbook of methods and measures in de mography / Nicholas N.N. Nsowah-Nuamah. - Accra : Academic Press, 2007. - xx, 410 p. : ill. ; 23 cm. Subjects--Topical Terms: Demography-- Methodology. Demographic surveys. Dewey Class. No.: 304.60723