na YOGYA-10100000001098 20101005090717590 ind 010-101000000001098 DEP 614.4 Ahl P Ahlbom, Anders Pengantar epidemiologi modern Cet. 1 Essentia Media 1992 v, 142 hlm . ; 23 cm Epidemi Novell, Staffan; Suhardi; Ahmad, Januar YOPDYOG 95P0061896