Putra, Agung, Iffan Alif, Ardi Prasetio, and Salindri Prawitasari. 2023. “Comparison of Two Tangential Flow Filtration Methods in Isolating CD63+/CD9+ Mesenchymal Stem Cell Exosome”. International Journal of Cell and Biomedical Science 2 (4), 147-52. https://cbsjournal.com/cbs/article/view/32.