Adinda Fitri Salsabila, Nata Dwi Anisa Nizma, E. N. Janahwati, S. Amalia, and M. P. Kurniawan, “Anti-Aging Face Cream Preparations Made from Collagen Membrane Chicken Eggshell (Gallus gallus domesticus) Combined with Bee Honey (Apis mellifera)”, Indonesian J Pharm, vol. 33, no. 1, pp. 117-127, Feb. 2022.