Paengkoum และผู้แต่งคนอื่นๆ. (2013) Nitrogen requirements for maintenance of growing Thai native buffalo fed with rice straw as roughage. <i>Buffalo Bulletin</i>, <i>32</i>(1), 35-40, 52.Paengkoum และผู้แต่งคนอื่นๆ. "Nitrogen requirements for maintenance of growing Thai native buffalo fed with rice straw as roughage". Buffalo Bulletin 32 (2013):35-40, 52.Paengkoum และผู้แต่งคนอื่นๆ. Nitrogen requirements for maintenance of growing Thai native buffalo fed with rice straw as roughage. International Buffalo Information Centre, Office of The University Library, Kasetsart University, Bangkok (Thailand):ม.ป.ท. 2013.