P. Siva Prasad , G. Srinivasa Rao, D. Madhusudhana Rao, K. Revathi. (2020). Semi Space Homomorphism in Semi Groups. International Journal of Advanced Science and Technology, 29(06), 5262 - 5265. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/19586