Search Results       Your search for [author]Castro, Josefina M. (Josefina Maglalang). returned 1 record.           The Effects of rational and tell-and-do methods of teaching the algorithms of the four fundamental operations. by Castro, Josefina M. (Josefina Maglalang).; 1981. Subject: Mathematics -- Study and teaching (Elementary); Algorithms.          Add to Book Cart Relevance: 32.08%