احمد خليل ع. (2011) “Determination and Testing the Domination Numbers of Tadpole Graph, Book Graph and Stacked Book Graph Using MATLAB”, College of Basic Education Research Journal, 10(1), pp. 491–504. Available at: https://jeh.uomosul.edu.iq/index.php/berj/article/view/38627 (Accessed: 27 October 2025).