Husin, S.; Saudi, A. U.; Taqwatomo, G.; Gumelar, M. D.; Raharjo, J.; Rahayu, S.; Prasetyo, H.; Yuliani, H.; Saputra, D. A.; Arjasa, O. P. .; Agustanhakri; Utami, W. T.; Saputra, H. A.; Putri, A. R. R.; Syahrial, A. Z. Recovery of valuable metals from NMC-811 li-ion battery waste with froth flotation and hydrometallurgical extraction. Eng Appl Sci Res 2024, 51, 117-127.