Winata WF, Yanti I. Synthesis of Carbon from Rice Groats at Various Pyrolysis Temperatures and Its Application for the Recovery of Chromium Wastewater from the Tannery Industry. EKSAKTA: J. Sci. Data Anal. [Internet]. 2023 Jan. 20 [cited 2024 Nov. 24];4(1):23-8. Available from: https://journal.uii.ac.id/Eksakta/article/view/25627