
by Dale Carnegie · Ediciones Obelisco · libro de bolsillo · ISBN 9788411723985
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This book is an undisputed classic of personal development that offers a practical and human method to improve interpersonal relationships, both in the professional and personal spheres. Through clear rules, memorable examples, and practical exercises, the author teaches effective techniques to avoid sterile arguments, gain the cooperation of others through sincere appreciation, and lead without hurting others' pride.