Koranee Boonpirak. 1987. Improvement of strains of Bacillus sphaericus 1593 for mosquitoes control. Bangkok:Mahidol University;
Koranee Boonpirak. (1987) Improvement of strains of Bacillus sphaericus 1593 for mosquitoes control (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Koranee Boonpirak. Improvement of strains of Bacillus sphaericus 1593 for mosquitoes control. Bangkok:Mahidol University, 1987.
Koranee Boonpirak. (1987) Improvement of strains of Bacillus sphaericus 1593 for mosquitoes control (รายงานผลงานวิจัย). Mahidol University:Bangkok.