Soekanto, Sri Angky, Gadiacanaparimita Ghrena Duhita, Endang Winiati Bachtiar, and Muhamad Sahlan. “THE EFFECT OF CASEIN PHOSPHOPEPTIDE-AMORPHOUS CALCIUM PHOSPHATE-PROPOLIS CHEWING GUM ON CALCIUM AND PHOSPHATE ION LEVELS IN CARIES-FREE SUBJECT’S SALIVA AND STREPTOCOCCUS MUTANS BIOFILM FORMATION”. Asian Journal of Pharmaceutical and Clinical Research 10, no. 17 (October 1, 2017): 174-176. Accessed January 26, 2020.