00789nam a2200193Ia 4500 CTU_223154 210402s9999 xx 000 0 und d 808.51 C289 Carnegie, Dale How to develop self-confidence and influence people by public speaking Dale Carnegie (author) ; Dorothy Carnegie (selected and condensed) New York Pocket Books 1956 Offers hundreds of practical and valuable tips on influencing the important people in your life: your friends, your customers, your business associates, your employers... Public speaking,Nói trước công chúng Vũ Anh, Giang Trung tâm Học liệu Trường Đại học Cần Thơ