Setyowati, Laksmiari, Sudarjani Gunawan, and Achmad Sudirman. 2006. “Effectivity of Blunt End With Side Hole Irrigation Needle to Eliminate Root Canal Bacteria”. Dental Journal 39 (4):168-71. https://doi.org/10.20473/j.djmkg.v39.i4.p168-171.