Watana Sakchoowong. 1998. Effects of entomopathongenic fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metchnikoff) Sorokin on teak defoliator (Hyblaea puera Cramer) (Lepidoptera : Noctuidae). Graduate School, Kasetsart University;
Watana Sakchoowong. (1998) Effects of entomopathongenic fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metchnikoff) Sorokin on teak defoliator (Hyblaea puera Cramer) (Lepidoptera : Noctuidae) . Kasetsart University/Bangkok.
Watana Sakchoowong. Effects of entomopathongenic fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metchnikoff) Sorokin on teak defoliator (Hyblaea puera Cramer) (Lepidoptera : Noctuidae). . Bangkok:Kasetsart University, 1998.
Watana Sakchoowong. (1998) Effects of entomopathongenic fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metchnikoff) Sorokin on teak defoliator (Hyblaea puera Cramer) (Lepidoptera : Noctuidae) . Kasetsart University/Bangkok.