TY - GEN AU - Mandel S AU - Mandel S. ED - Management;Planning;Presentation;Economics ED - Proven technigues for more confident, enthusiastic, and persuasive presentations. TI - Effective presentation skills SN - 156052202X CY - -Los Altos KW - Effective Presentation skills : A Practical Guide for Better Sreaking N1 - Proven technigues for more confident, enthusiastic, and persuasive presentations ER -