Valenzania, V., Rahman, A. . ., & Yuhastina, Y. (2022). The Effect of Social Media and Service Quality on Blood Donor Participation at UDD PMI Klaten Regency. Jurnal Mantik, 5(4), 2478-2484. Retrieved from https://iocscience.org/ejournal/index.php/mantik/article/view/2019