PUTRA, Achmad Ferdiansyah Pradana; NINGRUM, Eva Oktavia; ADIGUNA, Elsabella; GARIN, Muhammad; HANIF, Rafi Rajfan; SURONO, Agus. Characterization of Hydroxyapatite From Kupang Shells and Its Synthesis with Polycaprolactone for 3D Printing Filament. IPTEK The Journal of Engineering, [S. l.], v. 9, n. 2, p. 47–51, 2025. Disponível em: https://journal.its.ac.id/index.php/joe/article/view/8179. Acesso em: 27 jan. 2026.