25 cara untuk membuat orang lain menyukai Anda : dan merasa diri mereka ada dalam kondisi prima = 25 ways to win wi9th people : how to make others feel like a million bucks

Dealing with difficult people: 24 lessons for bringing out the best in everyone

Managing with the wisdom of love: uncovering virtue in people and organizations / Dorothy Marcis

The "it" factor: be the one people like, listen to and remember

Emotional vampires: dealing wuth people who drain you dry