Nagy, David, Tamas Mihalydeak, and Laszlo Aszalos. “Different Types of Search Algorithms for Rough Sets”. Acta Cybernetica 24, no. 1 (May 21, 2019): 105-120. Accessed November 15, 2019. http://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3999.