Hussein S. Mohammed Hussein, Abdulrahman H. Majeed, Toric Ideals for (25n3-66n2+41n)×3×n Contingency Tables, Journal of Engineering and Applied Sciences, Volume 15,Issue 7, 2020, Pages 1609-1617, ISSN 1816-949x, jeasci.2020.1609.1617, (https://makhillpublications.co/view-article.php?doi=jeasci.2020.1609.1617) Abstract: In this study, we find Markov basis and toric ideals for (25n3-66n2+41n)×3×n contingency tables with fixed two dimensional marginals. Keywords: dimensional;Computational algebraic statistics;bipartite graph;sufficient statistics;linear transformation;connected graph