New trends in biology teaching:Vol III 

 - UNESCO  Paris  1971 
 - 375p.,tables 
 - Biology teaching Educational methods Educational techniques Science Education 
 - The teaching of basic sciences-biology .
<br/><br/><label>Nat. Bib. No.: </label>3335 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>37:57NEW 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Universal Decimal Class. No.: </label>37:57  1