The gracefulness of the join of graphs (II). - Khee Meng Koh; L. Y. Phoon; Kian Wee Soh (AKCE Int. J. Graphs Comb., 2015)

The Gracefulness of the Join of Graphs. - Khee Meng Koh; L. Y. Phoon; Kian Wee Soh (Electron. Notes Discret. Math., 2015)