TY - BOOK AU - Case,Doug TI - English puzzles: 1 T2 - Heinemann Games SN - 0435282808 U1 - 423.1 PY - 1990/// CY - Oxford UK: PB - Heinemann International KW - English language - Study and teaching KW - English language - Composition and exercises KW - English language - Teaching methods KW - English language - Study and teaching - Foreign speakers ER -