WULANSARI, Maulina; YUS RAMA DENNY M; NUR’AINI, Devi Ayu; NOUVALDY, Mohammad. Analysis of Gold Concentration and Leaching Efficiency of PCB Waste Using Atomic Absorption Spectroscopy. SEARCH: Science Education Research Journal, [S. l.], v. 4, n. 2, p. 317–326, 2026. DOI: 10.47945/search.v4i2.3003. Disponível em: https://iainsorong.ac.id.203-175-8-151.cpanel.site/e-jurnal/index.php/jaser/article/view/3003. Acesso em: 12 aug. 2026.