Firmansah F, Tasari T, Yuwono MR. Odd Harmonious Labeling of the Zinnia Flower Graphs. JIS [Internet]. 2023 Jun. 16 [cited 2024 Jul. 23];23(1):40-6. Available from: https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/46771