Nzita Kikhela, D Techniques for collection and analysis of data on perinatal mortality in Kinshasa, Zaire / D. Nzita Kikhela. - Ottawa, Canada : CIID, 1989. - x, 87 p. ; fot. - Infant mortality and health studies. technical study; 61e . ISBN: 0889365296 No. de Clasificación Universal Decimal: 312.2 -053.1 (675)=20 NZI No.61.