V.M. Chandrasekaran, K. Indhira, M. Kaviyarasu. “Intuitionistic Fuzzy P-Ideal In INK-Algebra”. International Journal of Advanced Science and Technology, Vol. 29, no. 12s, May 2020, pp. 371 -79, http://sersc.org/journals/index.php/IJAST/article/view/21986.