na INLIS000000000002524 I 0010-0317002522 Dasar-dasar Epidemiologi Ryadi, A.L. Slamet Jakarta : Salemba Medika 2011 xx, 218 hlm. 24 cm 978-602-8570-64-0 614.4 Rya d 614.4 EPIDEMIOLOGY 826311211 864411211 864411211 826311211 826311211 864411211