ARTHUR, P. The Challenges facing Performance Appraisal Management: Lessons for Polytechnics in Ghana. AFRICAN JOURNAL OF APPLIED RESEARCH, [S. l.], v. 1, n. 1, 2015. Disponível em: https://ajaronline.com/index.php/AJAR/article/view/91. Acesso em: 22 dec. 2024.