Prosveta, N.  <br/><br/>
Chemistry:   A textbook for the 9th class of the English- language General-Educational Polytechnical schools 
N. Prosveta 
 - Sofia  Narodina Prosveta   1974 
 - 164p. : ill. ;  Pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry ---Exercises, etc.--Problems, 
<br/><br/><label>LC Class. No.: </label>QD 11 .P7 1974