Rusfidra, Tumatra, Y., Abbas, M., Heryandi, Y., & Arlina, F. (2014). Characterization of Number of Crow and Qualitative Marker of Kokok Balenggek Song Fowl Inside a Captive Breeding Farm in Solok Regency, West Sumatera Province, Indonesia. International Journal of Poultry Science, 13(6), 343–346. https://doi.org/10.3923/ijps.2014.343.346