Synthesis of Copper Nanoparticles Using Chromolaena odorata (L.) Leaf Extract as A Stabilizing Agent - Suprapto Suprapto; Cantika Alda Hafshah Handoyo; Putri Ayu Senja; Veto Barid Ramadhan; Yatim Lailun Ni'mah (Indonesian Journal of Chemical Analysis (IJCA), 2020)