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Anh Hong, P. STUDY ON THE EFFECTS OF PESTICIDE ACTIVE ROTENOID EXTRACTED FROM DERRIS (DERRIS ELIPTICA BENTH AND DERRIS TRIFOLIA) AND YAM BEEN TREE (PACHYRHIZUS EROSUS URBAN) ON DIAMOND-BACK MOTH (PLUTELLA XYLOSTELLA). Science and Technology Development Journal 2002, 5, 37-42.