Buffa, Elwood S. (Elwood Spencer)
Essential of management science/operation research
John Wiley & Sons, 1978
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Lund, Arnie
User experience management : essential skills for leading effective UX teams
Elsevier, 2011
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Sully, Philippa
Essential communication skills for nursing
Elsevier, 2005
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Sully, Philippa
Essential communication skills for nursing and midwifery
Mosby Elsevier, 2010
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Malle, Michael A.
Essential statistics for social research
J.B. Lippincott, 1977
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