Widjiastuti, Ira, S. Setyabudi, M. Mudjiono, and Erika Setyowati. 2019. “Compressive Strength Test on Calcium Hydroxide With Propolis Combination”. Conservative Dentistry Journal 9 (1):28-32. https://doi.org/10.20473/cdj.v9i1.2019.28-32.