Teaching needy kids in our backward system, 42 years of trying, Siegfried "Zig" Engelmann
Label
Teaching needy kids in our backward system, 42 years of trying, Siegfried "Zig" Engelmann
Isbn
9781880183007
Physical Description
xii, 379 pages, illustrations, facsimiles, 24 cm
System control number
(OCoLC)228301914
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