5 1 50 Intermediate English Course : Buku Penuntun Dennis Ware Additional Author mixed material NISBN09484 London Linguaphone Institute t.t. Intermediate English Course :Further Practice Exrecise Dennis Ware Additional Author mixed material NISBN09420 London t.t. Intermediate English Course : Vocabulary Dennis Ware Additional Author mixed material NISBN09486 London t.t. Intermediate English Course : Programmes 11-21 Dennis Ware Additional Author mixed material NISBN09559 London t.t. Intermediate English Course (Programmes 1-10) Dennis Ware Additional Author mixed material NISBN09434 London t.t.