Astuti, S. D. “An in-Vitro Antimicrobial Effect of 405 Nm Laser Diode Combined With Chlorophylls of Alfalfa (Medicago Sativa L.) on Enterococcus Faecalis”. Dental Journal (Majalah Kedokteran Gigi), vol. 51, no. 1, Mar. 2018, pp. 47-51, doi:10.20473/j.djmkg.v51.i1.p47-51.