Agung Rimayanto Gintu, Elizabeth Betty E. Kristiani, Yohanes Martono. Synthesis of porous Hydroxyapatite (HAp) from Laying Chicken Waste Eggshells. rjna [Internet]. 2022 Oct. 31 [cited 2024 May 3];2(2):147-59. Available from: https://ejournal.unib.ac.id/rjna/article/view/23931