J. Venkateswari, R. Vasuki, P. Sugirtha. Super Pair Sum Labeling of $H$-graphs. Int. J. Math. And Appl. [Internet]. 2015 Jun. 15 [cited 2024 May 5];3(2):177-83. Available from: http://ijmaa.in/index.php/ijmaa/article/view/436