Widjijono. CORRELATION BETWEEN CALCIUM BENTONITE CONCENTRATION AND PARAFFIN WAX TO THE HARDNESS OF CARVING WAX: HUBUNGAN ANTARA KONSENTRASI KALSIUM BENTONIT DENGAN PARAFIN MALAM TERHADAP KEKERASAN MODEL MALAM. Dentika Dental J. [Internet]. 2009Jul.8 [cited 2025Aug.4];14(1):20-3. Available from: https://talenta.usu.ac.id/dentika/article/view/1969