Punsri, 1991. Sakon Nakhorn Agricultural Research and Training Center Document reference Punsri, P., 1991. Utilization of nitrogen from feather meal, soybean meal and urea for sheep. Sakon Nakhorn Agricultural Research and Training CenterWeb https://agris.fao.org/agris-search/search.do?recordID=TH19970120617Citation key Punsri, 1991Datasheets Feather meal
