Mcallen, Audrey, — Sleep. An unobserved element in education.
Could humans do without sleep? l Audrey McAllen. 1981. Pb. 64 pp.There are within the book rather a lot of scribbled notes and moreover sentences are highlighted with colour pencil.
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Numero libro:
190605
€14.00 ($15.43 | £11.68 | ¥2,464)
