1. Kim JB, Kim KS, Kim YH, Chung SH, Jin BH, Choi EM, et al.: Public health dentistry. 4th ed. Komoonsa, Seoul, pp.47-86, 2004.
2. Kim JB, Choi EG, Moon HS, Kim JB, Kim DK, Lee HS, et al.: Public health dentistry. 5th ed. Komoonsa, Seoul, pp.349-430, 2009.
3. Kim JB, Choi EG, Paik DI, Shin SC, Chang KW, Hong SJ, et al.: Preventive dentistry. 5th ed. Komoonsa, Seoul, pp.33-88, 2009.
4. Paik DI, Kim HD, Jin BH, Park YD, Shin SC, Cho JW, et al.: Clinical preventive dentistry. 5th ed. Komoonsa, Seoul, pp.65-80, 2011.
5. Lim JH, Park JH, Chang YS: Comparison of the dental caries and periodontal status in 12 years old, between in Korea and Laos. Int J Clin Prev Dent 8: 73-9, 2012.