உலூனா 12 (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "உலூனா 12" in Tamil language version.

refsWebsite

Global rank Tamil rank

75^th place

60^th place

nasa.gov

nasa.gov

Siddiqi, Asif (2018). Beyond Earth: A Chronicle of Deep Space Exploration, 1958–2016 (PDF) (second ed.). NASA History Program Office.
Siddiqi, Asif (2018). Beyond Earth: A Chronicle of Deep Space Exploration, 1958–2016 (PDF) (second ed.). NASA History Program Office.

history.nasa.gov

"Aeronautics and Astronautics, 1967" (PDF). NASA. p. 25. Retrieved 21 December 2021.