Koizhanova, A., Kenzhaliyev, B., Magomedov, D., Yerdenova, M., Bakrayeva, A., & Abdyldayev, N. (2025). Project of green recycling and disposal of spent copper heaps in a closed ecosystem. Acta Metallurgica Slovaca, 31(3), 156–162. https://doi.org/10.36547/ams.31.3.2219