Prinsip Dale Carnegie yang dapat membantu mengembangkan kepribadian kita dijelaskan dengan sangat baik dalam buku ini. Kita tuliskan keunggulan dan kelemahan kita dan tuangkan ke dalam target hidup…
Originally published in 1915, Dale Carnegie's The Art of Public Speaking has been the go-to guide for those who want to better their speaking abilities for more than a century. Do you have troub…