QuiN. H., GuntoroB., SyahlaniS. P. and LinhN. T. (2021) “Factor Affecting the Information Sources and Communication Channels toward Pig Farmer’s Perception of African Swine Fever in Tra Vinh Province, Vietnam”, Tropical Animal Science Journal, 44(2), pp. 248-254. doi: 10.5398/tasj.2021.44.2.248.