“The Correlation Of Knowledge On Cervical Cancer With Early Detection Of Cervical Cancer Among Women Of Childbearing Age In Tanah Datar Pekan Heran Indragiri Hulu Regency”. 2020. JPK : Jurnal Proteksi Kesehatan 9 (1): 14-19. https://doi.org/10.36929/jpk.v9i1.241.