Teacher's book :  worlds apart, level 8 / 
John J. Pikulski ... [et al.]. 
 - Boston :  Houghton Mifflin,  c1993. 
 - 715p. : col. ill. ; 28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0395617308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching<br/>Competency-based education
<br/><br/><label>LC Class. No.: </label>LB1027   / T22 1993