Husni MN, Wardhana IGAW, Dewi PK, Suparta IN. Szeged Index and Padmakar-Ivan Index of Nilpotent Graph of Integer Modulo Ring with Prime Power Order . JMSK [Internet]. 2023Dec.24 [cited 2025Jan.19];20(2):332-9. Available from: http://118754.2bdvi7ajx.asia/index.php/jmsk/article/view/31418