Tohutoro APA (7th ed.)
Opperman, C., & Villiers, M. d. (2015). Determine the true value of learning and development. Knowres Publishing.
Tohutoru Kātū Chicago (17th ed.)
Opperman, Catherina, me Marlene de Villiers. Determine the True Value of Learning and Development. Randburg, South Africa: Knowres Publishing, 2015.
Tohutoro MLA (9th ed.)
Opperman, Catherina, me Marlene de Villiers. Determine the True Value of Learning and Development. Knowres Publishing, 2015.
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