Yingsak Swasdipanich. 1989. Hybridization experiments of the Anopheles dirus complex. Faculty of Graduate Studies, Mahidol University;
Yingsak Swasdipanich. (1989) Hybridization experiments of the Anopheles dirus complex . Mahidol University/Bangkok.
Yingsak Swasdipanich. Hybridization experiments of the Anopheles dirus complex. . Bangkok:Mahidol University, 1989.
Yingsak Swasdipanich. (1989) Hybridization experiments of the Anopheles dirus complex . Mahidol University/Bangkok.