Novitasari, Melisa, 		Nugroho, Raditya, AND 		., Sulistiyani.
" Frekuensi Kegagalan Pengisian Saluran Akar dengan Teknik Preparasi Step Back pada Gigi Berakar Ganda di Rumah Sakit Gigi dan Mulut Universitas Jember 2011-2016 (The Frequency of Failure Root Canal Filling with Step Back PreparationTechnique on Multiple Ro" <em>Pustaka Kesehatan</em> [Online], Volume 5 Number 2 (11 August 2017)