Ratchanee Siriyan. 1998. Determination of genes encoding crystal proteins of Bacillus thuringiensis berliner isolated from silkworm environment and the insecticidal activity against Helicoverpa armigera (Hubner). Graduate School, Kasetsart University;
Ratchanee Siriyan. (1998) Determination of genes encoding crystal proteins of Bacillus thuringiensis berliner isolated from silkworm environment and the insecticidal activity against Helicoverpa armigera (Hubner) . Kasetsart University/Bangkok.
Ratchanee Siriyan. Determination of genes encoding crystal proteins of Bacillus thuringiensis berliner isolated from silkworm environment and the insecticidal activity against Helicoverpa armigera (Hubner). . Bangkok:Kasetsart University, 1998.
Ratchanee Siriyan. (1998) Determination of genes encoding crystal proteins of Bacillus thuringiensis berliner isolated from silkworm environment and the insecticidal activity against Helicoverpa armigera (Hubner) . Kasetsart University/Bangkok.