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  Search result  Your search for [author]Calderon, Estela Castro. returned 2 records.  
 
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  Book Progressive English series.

by Calderon, Estela Castro.; Quezon City: JMC Press, 1975.

Subject: English language -- Text-books; English language -- Study and teaching (Elementary); English language -- Composition and exercises.

  
     
Relevance: 28.61%
 
     
  Book Development and evaluation of a conceptual framework and teachers' guide in enviromental science.

by Calderon, Estela Castro, 1938-;

Subject: Ecology -- Study and teaching; Environmental education.

  
     
Relevance: 22.64%
 
     
 
         
         
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