[۱]- Psychological Hardiness

[۲]- Kobasa

[۳]- Joseph

[۴]- Puccetti

[۵]- Fiorian

[۶]- Mikulincer

[۷]- Yaubman

[۸]- Brooks

[۹]- Low

[۱۰]- Huang

[۱۱]- Control

[۱۲]- Commitment

[۱۳]- Challenge

[۱۴]- Crowley, Hayslip, Hobdy

[۱۵]- King