Adsorpsi zat warna kationik (methylene blue) menggunakan karbon aktif tempurung kelapa dan batu bara serta efisiensi regenerasinya = Adsorption of cationic dye methylene blue using coconut shell and coal based activated carbon and its regeneration efficiency / Ratu Aliah Sanada ([Fakultas Teknik Universitas Indonesia, Fakultas Teknik Universitas Indonesia], 2014)