HEANG KIMSRUO; ហៀង គីមស្រួ creator text PHNOM PENH HEA 2015 monographic x;35p. ill. 29cm. VEM HEA 2015 B533 Or.1 STUDY ON NEWCASTLE DISEASE OF LOCAL CHICKEN AND THEIR ANTIBODIES BY USING HA AND HI-TEST AT CHEUNG PREY DISTRICT KAMPONG CHAM PROVINCE STUDY ON NEWCASTLE DISEASE OF LOCAL CHICKEN AND THEIR ANTIBODIES BY USING HA AND HI-TEST AT CHEUNG PREY DISTRICT KAMPONG CHAM PROVINCE