Carlos, Carmen Balderrama. <br/><br/>
A study of some basic guiding principles in teaching selected aspects of elementary arithmetic with implication for educational practice and teacher education in the Philippines:  [microform] / 
Carmen Balderrama Carlos. 
 - Ann Arbor, Mich. :  University Microfilms International,  1958. 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Indiana University, 1958. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching (Elementary)--Phillipines.