VARIANI, RATIH. “PEMUTIHAN GIGI: ‘WHEN IT’S NEEDED AND IT’S SAFELY OR NOT?’”. JURNAL INFO KESEHATAN 12, no. 1 (June 29, 2014): 604–609. Accessed September 19, 2024. http://jurnal.poltekkeskupang.ac.id/index.php/infokes/article/view/44.