N. T. K. Cuc, F. Muchadeyi, H. Eding, S. Weigend, C. Wollny, and U. Baulain, “An Assessment of Genetic Diversity of Vietnamese H`mong Chickens”, Int. J. Poult. Sci., vol. 5, no. 10, pp. 912–920, Sep. 2006, doi: 10.3923/ijps.2006.912.920.