Mujamilah et al. 2017. SYNTHESIS AND CHARACTERIZATION OF MAGNETIC-HYDROXY APATITE COMPOSITE USINGONE SPOT COPRECIPITATION METHOD. Jurnal Sains Materi Indonesia. 18, 2 (Jan. 2017), 81–86. DOI:https://doi.org/10.17146/jsmi.2017.18.2.4171.