Haryanti, S., Y. Widiyastuti, and N. Rahmawati. “Cytotoxic and MMPs Inhibitory Activities of Sappan Wood (Caesalpiniasappan L.): Various Extracts on 4T1 Breast Cancer Cell Line”. Health Science Journal of Indonesia, Vol. 9, no. 1, Oct. 2018, pp. 51-56, doi:10.22435/hsji.v9i1.483.