Yuniarti Soeroso, Endang Bachtiar, and Prayitno, “EFEK KITOSAN TERHADAP VIABILITAS SEL PUNCA LIGAMENTUM PERIODONTAL: EFFECT OF CHITOSAN ON THE VIABILITY OF PERIODONTAL LIGAMENT STEM CELL”, Dentika Dental J., vol. 17, no. 1, pp. 65-69, Jul. 2012.