Malaria vector control practices in an irrigated rice agro-ecosystem in central Kenya and implications for malaria control - Ng'ang'a, P.N.; Shililu, J.; Jayasinghe, Gayathri; Kimani, V.; Kabutha, C.; Kabuage, L.; Kabiru, E.; Githure, J.; Mutero, Clifford M. (2008)