, S. Green Technology of Processing Chicken Egg Shell Waste into Nanocalcium for Osteoporosis Prevention: A Literature Study. Journal Serambi Engineering, [S. l.], v. 9, n. 3, 2024. DOI: 10.32672/jse.v9i3.1760. Disponível em: https://jurnal.serambimekkah.ac.id/index.php/jse/article/view/1760. Acesso em: 29 nov. 2025.