Astuti, A., & Fitri, N. (2021). Formulasi Serum Anti-Aging Minyak Atsiri Lada Hitam Piper Nigrum L dan Uji Aktivitas Antioksidan Menggunakan Metode DPPH. AJIE (Asian Journal of Innovation and Entrepreneurship), 5(1), 1–11. Retrieved from https://journal.uii.ac.id/ajie/article/view/17493