Fitriani, F., Soetojo, A., Subiwahjudi, A. and yuanita, tamara 2019. Sitotoksisitas Ekstrak Kulit Kakao (Theobroma cacao) terhadap Kultur Sel Fibroblas BHK-21. Conservative Dentistry Journal. 9, 1 (Dec. 2019), 54–65. DOI:https://doi.org/10.20473/cdj.v9i1.2019.54-65.