00540nam a2200217Ia 4500 20240426134940.0 131103s9999 xx 000 0 und d Loreto College English 371.3 RYB Ryburn,W.M. The Principles of Teaching W.M.Ryburn 3rd ed. London Oxford University Press 1955 249p. Includes index Education Education-principles LCBED BK 27235 77714 0 0 ddc 0 0 MAIN MAIN 2013-11-04 0 371.3 RYB 1102 B30074 2013-11-04 2013-11-04 BK