Ngadilah, Christina, Applonia Leu Obi, and Melkisedek O. Nubatons. “The Relationship of Pregnant Woman Who Consume Betel Nut to Periodontal Disease Which Will Affect Pregnancy Outcome”. Jurnal Ilmiah Permas: Jurnal Ilmiah STIKES Kendal 12, no. 2 (April 28, 2022): 157–164. Accessed July 3, 2024. http://journal2.stikeskendal.ac.id/index.php/PSKM/article/view/124.