Somsook, V. and Somsook, S. (1999) “The Influence of Xenorhabdus nematophilus (Enterobacteriaceae) on the Propagation of Entomopathogenic Nematodes Steinernema carpocapsae (Weiser) in Liquid Culture”, Thai Agricultural Research Journal, 17(1), pp. 66–72. doi: 10.14456/thaidoa-agres.1999.8.