Hill,Allan G. West african sources of health and mortality information : a comparative review / Allan G.Hill, Wendy J.Graham; forewerd [by] Sandra Witt,... . - Ottawa : CRDI , c,1988 . - 48 p. ; 25 cm. - Infant mortality and health studies, technical study 58 . bibliogr ISBN: 0889365067 Source: Fonds FACAGRO Universal Decimal Class. No.: 614.