Okoń, Wincenty. <br/><br/>
The school readiness project / 
by Wincenty Okoń and Barbara Wilgocka-Okoń. 
 - Paris :  Unesco,  c1973. 
 - v, 30 p. ;  21 cm. 
 - Experiments and innovations in education,  no. 2 .
<br/><br/>Bibliography: p. 29-30. 
<br/><br/><label>ISBN: </label>9231010654 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readiness for school.
<br/><br/><label>Dewey Class. No.: </label>372.2  / OKS 1973