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Hasanah H, Sirait R, Yusuf Lubis R. PENGARUH KONSENTRASI AKTIVATOR H3PO4 TERHADAP KARBON AKTIF AMPAS TEBU : Hayatul Hasanah, Ratni Sirait, Ridwan Yusuf Lubis. JoP [Internet]. 2022Nov.22 [cited 2024Nov.20];8(1):11-5. Available from: https://mail.online-journal.unja.ac.id/jop/article/view/20265