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  <div class="csl-entry">Irawan, Agus. “The The Locating-Chromatic Number for Certain Operation of Pizza Graphs”. <i>Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika</i> 7, no. 2 (December 30, 2024): 291–299. Accessed January 12, 2025. http://journal.upp.ac.id/index.php/absis/article/view/2970.</div>
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