Alimuddin, Agusriyadin, Fahmiati, Muh. Dicki Pratama, & A Kadir, L. (2024). The Quality Study of Hydroxyapatite (HAp)-TiO2 Composites from Pokea (Batissa violacea var. celebensis) Shell Waste by Hydrothermal, Microwave and Precipitation Methods. Engineering And Technology Journal, 9(11), 5489–5494. https://doi.org/10.47191/etj/v9i11.05