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		Kusumaningrum, C., 		Griadhi, I., 		Muliarta, I., & 		Purnawati, S.
2022 Aug  5.  HUBUNGAN ANTARA JENIS MASKER DENGAN KELUHAN PERNAPASAN PENGEMUDI OJEK ONLINE DI KOTA DENPASAR. E-Jurnal Medika Udayana. [Online] 11:6