Synthesis of Chitosan-Silver Nanoparticle Composite Spheres and Their Antimicrobial Activities oleh Erisna Mirda, Rinaldi Idroes, Khairan Khairan, Trina Ekawati Tallei, Muliadi Ramli, Nanda Earlia, Aga Maulana, Ghazi Mauer Idroes, Muslem Muslem, Zulkarnain Jalil