Hardiko, Muhamad Hendri, Muhammad Ridwan, and Andi Nuraliyah. 2024. “Studi Pengaruh Waktu Dan Suhu Recovery Limbah Katalis Nikel Terpakai (spent Catalyst) Pasca Proses Hidrogenasi RBDPO Dengan Metode Kalsinasi”. Journal of Innovation Materials, Energy, and Sustainable Engineering 1 (2). https://doi.org/10.61511/jimese.v1i2.2024.562.