Saritchai Titawattanakul. 1991. Population dynamics of castor semilooper (Achaea janata Linn.) (Noctuidae : Lepidoptera) and its control. Graduate School, Kasetsart University;
Saritchai Titawattanakul. (1991) Population dynamics of castor semilooper (Achaea janata Linn.) (Noctuidae : Lepidoptera) and its control . Kasetsart University/Bangkok.
Saritchai Titawattanakul. Population dynamics of castor semilooper (Achaea janata Linn.) (Noctuidae : Lepidoptera) and its control. . Bangkok:Kasetsart University, 1991.
Saritchai Titawattanakul. (1991) Population dynamics of castor semilooper (Achaea janata Linn.) (Noctuidae : Lepidoptera) and its control . Kasetsart University/Bangkok.