Kriyaporn Songmuaeng. 1994. Effects of vertebrate hormones and ovotestis homogenate on the reproductive system of Achatina fulica (Gastropoda : Stylommatophora). Faculty of Graduate Studies, Mahidol University;
Kriyaporn Songmuaeng. (1994) Effects of vertebrate hormones and ovotestis homogenate on the reproductive system of Achatina fulica (Gastropoda : Stylommatophora) . Mahidol University/Bangkok.
Kriyaporn Songmuaeng. Effects of vertebrate hormones and ovotestis homogenate on the reproductive system of Achatina fulica (Gastropoda : Stylommatophora). . Bangkok:Mahidol University, 1994.
Kriyaporn Songmuaeng. (1994) Effects of vertebrate hormones and ovotestis homogenate on the reproductive system of Achatina fulica (Gastropoda : Stylommatophora) . Mahidol University/Bangkok.