Krunal C. Chaudhari, and Shantanu J. Chaudhari. “Performance Optimization of Aerospike Nozzle Geometrical Profiles”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 4, no. 10, Oct. 2017, pp. 259-64, https://ijaerd.org/index.php/IJAERD/article/view/3824.