Nastiti, A., & 		Dafik, D.
(2014).
 Rainbow Connection Number of Special Graph and Its Operations.
<em>Prosiding Seminar Matematika Dan Pendidikan Matematik, 1</em>(5).
Retrieved from <a href="https://jurnal.unej.ac.id/index.php/psmp/article/view/922" target="_new">https://jurnal.unej.ac.id/index.php/psmp/article/view/922</a>