Hung, Q.T., T.T.N. Thu and M. Seel-audom. 2559. Utilization of Maize Animal Feeds in Northern Upland Region of Vietnam. Journal of Agriculture 32(2): 283-298.
Hung, T.Q., M. Seel-Audom and T.T.N. Thu. 2015. Apparent digestibility coefficients of feed ingredients for black carp, Mylopharyngodon piceus. Chiang Mai University Journal of Natural Sciences 14(3): 285-298.