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    • Carbon black from empty fruit bunch. 

      Astimar Abdul Aziz, autor. aut; Anis Mokhtar. 48488; Ismadi Ismail. 57407; Mohamad Deraman. 57408; Ridzuan Ramli. 44998; Ropandi Mamat. 47553; Wan Hasamudin Wan Hasan. 57409