na INLIS000000000000050 20260621060551 0010-1021000050 260621 0 A Practical manual and sofware package for activitive surveillance in developing countries / ANGUS, Cameron ANGUS, Cameron Australia : Australian Centre for International Agriculture Research, 1999 viii, 330 p.: ill ; 30 cm ISBN 1-86320-234-x 636.089 ANG a 636.089 LIVESTOCK DISEASE DISEASE SURVEYS. 49/BPT-C/2006