Setyawati, Any, AND 		Nur, Syifa Nabila.
" The Effectiveness Differences Between  Watermelon (Citrullus lanatus) Extract 100% and Carbamide Peroxide Gel 10% in Tooth Whitening (ex vivo)" <em>Journal of  Indonesian Dental Association</em> [Online], Volume 3 Number 1 (20 February 2020)