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Ria Nurmalina, Ria Nurmalina and Susilarti, Susilarti and Sutrisno, Sutrisno (2019) HUBUNGAN pH SALIVA DENGAN PENGALAMAN KARIES GIGI PADA SISWA SMP. ["eprint_fieldopt_thesis_type_skripsi" not defined] thesis, Poltekkes Kemenkes Yogyakarta.