1. H. Tandra, Osteoporosis Mengenal, Mengatasi, dan Mencegah Tulang Keropos, (Gramedia Pustaka Utama, Jakarta, 2009).
2. Charlena, S. I. Herawati, and P. Tuti, Research Journal of Chemistry and Environment 22, 209–213(2018).
3. Firnanelty, S. Sugiarti, and Charlena, Rasayan Journal of Chemistry 10 (2), 570–576 (2017).
4. Y. Warastuti and B. Abbas, Jurnal Ilmiah Aplikasi Isotop dan Radiasi 7, 73–95(2011).
5. Hydroxyapatite/sericin composite film prepared through mineralization of flexible ethanol-treated sericin film with simulated body fluids