Noppadon Kitana. 1997. Sexual dimorphism and annual reproductive cycle of common asiatic softshell turtle Amyda cartilaginea. Graduate School, Chulalongkorn University;
Noppadon Kitana. (1997) Sexual dimorphism and annual reproductive cycle of common asiatic softshell turtle Amyda cartilaginea . Chulalongkorn University/Bangkok.
Noppadon Kitana. Sexual dimorphism and annual reproductive cycle of common asiatic softshell turtle Amyda cartilaginea. . Bangkok:Chulalongkorn University, 1997.
Noppadon Kitana. (1997) Sexual dimorphism and annual reproductive cycle of common asiatic softshell turtle Amyda cartilaginea . Chulalongkorn University/Bangkok.