TY - BOOK AU - Jone ED - Malaysia, Geological Survey TI - The Geology and Mineral Resources of Perlis, North Kedah and the Langkawi Islands PY - 1978/// CY - Kuala Lumpur, Malaysia PB - Geological Survey Headquarters KW - Geology KW - Perlis, Kedah, Langkawi KW - Mineral resources KW - Perlis, Kedah & Langkawi ER -