Mas’udah, Laillatul, Dhani Wijaya, Nabila Asha Rahmita, and Ulva Nur Rahmawati. 2023. “High Calcium Boba from Egg Shells to Prevent Stunting and Boost the Immune System”. Jurnal Sains Dan Kesehatan 5 (2):218-23. https://doi.org/10.25026/jsk.v5i2.1187.