Managing motivation in the contact center: The employment relationship of outsourcing and temporary agency workers
Filipa Sobral, Maria Jose Chambel, Filipa Castanheira
Economic and Industrial Democracy, vol. 40, 2019, p. 357-381.

When Temporary Agency Work Is Not So Temporary
Maria Jose Chambel, Filipa Sobral
Economic and Industrial Democracy, vol. 40, 2019, p. 238-256.

Temporary Agency versus Permanent Workers: A Multigroup Analysis of Human Resource Management, Work Engagement and Organizational Commitment
Maria Jose Chambel, Filipa Castanheira, Filipa Sobral
Economic and Industrial Democracy, vol. 37, 2016, p. 665-689.