Vacharee Somsook และ Suthichai Somsook. (1999) The Influence of Xenorhabdus nematophilus (Enterobacteriaceae) on the Propagation of Entomopathogenic Nematodes Steinernema carpocapsae (Weiser) in Liquid Culture. <i>Thai Agricultural Research Journal</i>, <i>17</i>(1), 66-72.Vacharee Somsook และ Suthichai Somsook. "The Influence of Xenorhabdus nematophilus (Enterobacteriaceae) on the Propagation of Entomopathogenic Nematodes Steinernema carpocapsae (Weiser) in Liquid Culture". Thai Agricultural Research Journal 17 (1999):66-72.Vacharee Somsook และ Suthichai Somsook. The Influence of Xenorhabdus nematophilus (Enterobacteriaceae) on the Propagation of Entomopathogenic Nematodes Steinernema carpocapsae (Weiser) in Liquid Culture. Department of Agriculture:ม.ป.ท. 1999.