na INLIS000000000012063 20231202142615 231202||||||||| | ||| |||| || | 979-420-210-X 010-1223012063 id 614.4 614.4 FLE s Fletcher, Robert H. Fletcher, Suzanne W. Sari epidemiologi klinik 2 Gama University Press 1991 xii, 342 hlm. ; 21 cm. R22.38 - R22-0761 Epidemiologi