Putra Angkasa, Juliano, et al. “Comparison of the Effectiveness of the Irrigation Material Ethyl Diamine Tetra-Acetic Acid (edta) 17% and Benzalconium Chloride 1% on the Smear Layer in the 1 3 Apical”. Science Midwifery, vol. 12, no. 1, Mar. 2024, pp. 107-15, doi:10.35335/midwifery.v12i1.1440.