1. Referans1 Arawamudan, R., Arawamudan, G. (2017). ISRO: A Personal History. India: Haper Collins Publishers.
2. Referans2 Basu, B., Khan, H. J. (2018). Marching Ahead with Science. Orissa: National Book Trust.
3. Referans3 Biswas, B. B. (2008). Strategic Utility of Indian Satellites. The Indian Journal of Political Science, 69(2): 313-328.
4. Referans4 Blamont, J. (2015). Starting the Indian Space Programme. M. Rao (Ed.), From Fishing Hamlet to Red Planet India's Space Journey. Harper Collins Publishers.
5. Referans5 Chandrashekar, S. (2011). India and the Peaceful Uses of Outer Space. India Review, 10(4): 440-52. https://doi.org/10.1080/14736489.2011.624034.