Kunnika Dejchaiyasak. 1989. Ecological study of the castor semilooper, Ophiusa janata (L.) (Lepidoptera : Noctuidae), and its parasites in Thailand. Graduate School, Kasetsart University;
Kunnika Dejchaiyasak. (1989) Ecological study of the castor semilooper, Ophiusa janata (L.) (Lepidoptera : Noctuidae), and its parasites in Thailand . Kasetsart University/Bangkok.
Kunnika Dejchaiyasak. Ecological study of the castor semilooper, Ophiusa janata (L.) (Lepidoptera : Noctuidae), and its parasites in Thailand. . Bangkok:Kasetsart University, 1989.
Kunnika Dejchaiyasak. (1989) Ecological study of the castor semilooper, Ophiusa janata (L.) (Lepidoptera : Noctuidae), and its parasites in Thailand . Kasetsart University/Bangkok.