Mansor, Norudin (2007) Using of English in teaching Mathematics and Science: Is the performance satisfactory? In: The Second Biennial International Conference on Teaching and Learning of English in Asia : Exploring New Frontiers (TELiA2), 14-16 June 2007, Holiday Villa Beach & Spa Resort, Langkawi. Faculty of Communication and Modern Languages, Universiti Utara Malaysia, Sintok, pp. 1-14. ISBN 978-983-42061-2-3