Okon, Wincenty. <br/><br/>
The school readiness project :  experiments and innovations in education / 
Wincenty Okon and Barbara Wilgocka-Okon. 
 - Paris :    Unesco IBE,  1973. 
 - 31 p. ;  24 cm. 
<br/><br/>Bibliography : p. 29-30. 
<br/><br/>   
<br/><br/><label>ISBN: </label>92-3-101065-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readiness for school.
<br/><br/><label>Dewey Class. No.: </label>379.15 / U3s