Text ( visual ) : unmediated Affectivity and learning / Caleb Gattegno. -- New York : Educaitonal Solutions , 1977. -- 38 p. ; 22 cm. -- (The science of education / Caleb Gattegno ; ch. 4). -- Title from cover ; "Restricted printing"--Cover. -- ISBN 0878250735 ; (BA69419653) ; https://ci.nii.ac.jp/ncid/BA69419653 Author Heading(s): Gattegno, Caleb. -- Subject Heading(s): LCSH : Education -- Addresses, essays, lectures

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