The sound of voice types, modalities and effectiveness of employee voice mechanisms in selected IT-BPO companies in Metro Manila - Salvaña, Joanna Marie Evaristo; Serrano, Melisa R.; Ofreneo, Rene E.; Bitonio, Benedicto Ernesto R., Jr.; Asuncion, Ronahlee A. (2016)
Thesis (Master of Industrial Relations)--University of the Philippines, Diliman