Muhamad Salman Fareza, N. A. Choironi, S. S. Susilowati, M. P. Rini, V. Festihawa, I. S. N. Fauzi, E. D. Utami, and S. Sarmoko. “LC-MS/MS and Cytotoxic Activity Analysis of Extract and Fraction of Calophyllum Soulattri Stembark ”. Indonesian Journal of Pharmacy, Vol. 32, no. 3, Sept. 2021, pp. 356-64, doi:10.22146/ijp.1328.