Customer relations.

人性也有標準差 by: (Language materials, printed)

成功是故意的 : 蹲好成功的六個馬步 by: (Language materials, printed)

Consumer satisfaction.

INTERPERSONAL RELATIONS.

ORGANIZATIONAL BEHAVIOR.

Sales management.

INDUSTRIAL MANAGEMENT.

Success in business.

企業管理.

PSYCHOLOGY, INDUSTRIAL.

Customer relations.

INTERPERSONAL COMMUNICATION.