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https://journal.pmf.ni.ac.rs/filomat/index.php/filomat/article/view/575/398 Complemented graphs and blow-ups of Boolean graphs, with applications to co-maximal ideal graphs |... Complemented graphs and blow-ups of Boolean graphs, with applications to co-maximal ideal graphs blow ups maximal ideal complemented graphs boolean https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1786 Maximal Ideal Graph of Commutative Rings | Iraqi Journal of Science maximal ideal commutative rings graph iraqi journal