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Pongpan Thienhirun. (1997) Efficacy of Trichoderma spp. in controlling root-knot nematode (Meloidogyne incognita) . Kasetsart University/Bangkok.
Pongpan Thienhirun. Efficacy of Trichoderma spp. in controlling root-knot nematode (Meloidogyne incognita). . Bangkok:Kasetsart University, 1997.
Pongpan Thienhirun. (1997) Efficacy of Trichoderma spp. in controlling root-knot nematode (Meloidogyne incognita) . Kasetsart University/Bangkok.