Hassan, M. R. ., Singh, C. K. ., Rahman, M. A. ., & Hassan, M. A. . (2019). Photo – gravitational Effect on the Sitnikov Five – body Problem forming Square Configuration. International Journal of Technical Innovation in Modern Engineering & Science, 5(4), 1224–1231. Retrieved from https://ijtimes.com/index.php/ijtimes/article/view/2937