Kenmore, P.E., J.A. Litsinger, J.P. Bandong, A.C. Santiago, and M.M. Salac. 1987. Philippine rice farmers and insecticides in thirty years of growing dependency and new options for change. p. 98-108. In: Management of Pests and Pesticides: Farmers' Perceptions and Practices. J. Tait and Banpot Napompeth (eds.). Westview Studies in Insect Biology, Westview Press, London, UK. 244 p. C21