||Ecology of a tick parasitoid.
||Lan Huong Bui and Keiji Takasu , Learning of narcotic odors by a parasitoid. In The Recent Status and Perspectives of Food System, Agricultural Environment and Biology, Publication Center of Chungnam National University, 2008.11.
||Ai Yamashita, Amporn Winotai, and Keiji Takasu, Food plants suitable for mass rearing of the coconut hispine beetle Bronsipta longissima. In:The Recent Status and Perspectives of Food System, Agricultural Environment and Biology., Publication Center of Chungnam National University, 246-249, 2008.11.
||Olson, D. M., Takasu, K. and Lewis, W. J., Interactions surrounding adult food needs in a multi-trophic system. In W劃kers, F. L., van Rijin and Bruin, J. (eds.) Plant-provided Food Supplements in Plant-carnivore Mutualism, Accepted Jan. 2003. 207 pp. (Book Chapter)., 2005.08.