Gathumbi, Agness W. Principles and techniques in language teaching : a textbook for teacher educators,teachers and pre-service teachers / Agnes W. Gathumbi and Ssebbuga C. Masembe - Nairobi : JKF , 2005. - xii, 207 p. ISBN: 9966222707 Subjects--Topical Terms: Language LC Class. No.: PE1128.G38 2005