Lamiah, Durrotul, Parnaadji, R Rahardyan, AND Sumono, Agus. " Effect of Disinfection with Spraying Technique 35 % Betel Pepper leaf boiling water and 0,5 % Sodium Hypochlorite on Dimensional Stability of Casts Made from Alginate" Pustaka Kesehatan [Online], Volume 3 Number 3 (28 September 2015)