Atayev, Ch.А. (1985). Reptiles of mountains of Turkmenistan. Ashgabat. Ylym. p. 344 (in Russian).
Bukreev S.A. (1997) Ornithogeography and reservation matters of Turkmenistan. Мoscow: 157 p. (in Russian).
Efimenko N.N. (2004) Birds of the western part of Koytendag mountains // Problems of desert development, №2. С.56-58. (in Russian).
Lukarevskiy V.S., Efimenko, N.N.(2001) Modern condition of a urial population in Turkmenistan. Problems of desert developments. №4: 40-45. (in Russian).
Makeev V.M., Bozhansky A.T., (1988). Some results herpetological inspections East Turkmenistan /Rare and little-studied animals of Turkmenistan. Ashgabat. Ylym. (in Russian).
Marochkina V.V. (1993) Materials on chiropterans of East Turkmenistan // Proceedings of the Turkmen Academy of Sciences. Biology Sciences, №3. (in Russian).
Nikitin V.V., Geldyhanov A.M. (1988). Identification guide of plants of Turkmenistan. Leningrad. Nauka, 673. (in Russian).
Habibulov M.R. (1990) Reptiles of Kugitang-Tau (East Turkmenistan): Fauna, ecology, protection. (PhD. Thesis). (in Russian).
Hodzhakuliev A.R. (1983). Nature complexes of Gaurdak-Kugitang region and questions of their development. (PhD. Thesis). Ashgabat .25 p. (in Russian).
Rajapov M. Biodiversity Strategy and Action Plan for Turkmenistan. Ashgabat, 2002. (in Russian, Turkmen and English).
Rajapov M. Turkmenistan. Country Study on the Status of Biodiversity. Ashgabat, 2002. (in Russian, Turkmen and English).