Yoshi Adhitia Mahendra, and Siti Khomsatin. “PREPARATION STUDY OF FE₃O₄-COCONUT SHELL CHARCOAL AS A CARBON QUANTUM DOTS CQDS BASED NANOPARTICLE MATERIAL”. Jurnal Crystal : Publikasi Penelitian Kimia Dan Terapannya, vol. 7, no. 2, Sept. 2025, pp. 385-91, doi:10.36526/jc.v7i2.6297.