English for Senior High School Students XI Science and Social Study Programme Penulis : Joko Priyana, Ph.D Riandi Anita Prasetyo Mumpuni Editor Ahli : Suharso, M.Pd Editor : Ikhsan Bamanti Perancang Kulit : Bene Layouter : Junaedi Ilustrator : Ipunk Kristianto Foto-foto isi : Dokumen penerbit Ukuran Buku : 17,6 x 25 cm