Gathumbi, Agnes W. Principles and techniques in language teaching : a text for teacher educators, teachers, and pre-service teachers / Agnes W. Gathumbi, Ssebbunga C. Masembe. - Nairobi : JKF, 2005. - xii, 204 p. ISBN: 9966222707 : KES 360 Subjects--Topical Terms: Linguistics--Study and teaching.