Puntipa Junhirun และ Vasakorn Bullangpoti. (2013) Bio-efficacy of allelochemicals from wedelia trilobata (L.) hitchc (asteraceae) against plutella xylostella (lepidoptera : plutellidae). Kasetsart University:ม.ป.ท.Puntipa Junhirun และ Vasakorn Bullangpoti. 2013. Bio-efficacy of allelochemicals from wedelia trilobata (L.) hitchc (asteraceae) against plutella xylostella (lepidoptera : plutellidae). ม.ป.ท.:Kasetsart University;Puntipa Junhirun และ Vasakorn Bullangpoti. Bio-efficacy of allelochemicals from wedelia trilobata (L.) hitchc (asteraceae) against plutella xylostella (lepidoptera : plutellidae). ม.ป.ท.:Kasetsart University, 2013. Print.