Pengaruh gel ekstrak Belimbing Wuluh averrhoa bilimbi l terhadap perubahan warna gigi = The effect of gel containing small starfruit exracts averrhoa bilimbi l to color change of tooth enamel / Syarifah Ina Medina Musnadi - Syarifah Ina Medina Musnadi, author (Fakultas Kedokteran Gigi Universitas Indonesia, 2014)