00619nam a2200193Ia 4500 CTU_186523 210402s9999 xx 000 0 und d 808.51 I.65 Irwin, J. V. Speaking effectively, Teacher's Guide J. V. Irwin, Marjorie Rosenberger, John H. Sloan New York Holt Rinehart and Winston 1982 This book is useful to you in speaking effectively Public speaking,Nói trước công chúng Hải Trung tâm Học liệu Trường Đại học Cần Thơ