Bernaldez, P. B. 1. (1972). The Montessori didactic materials in the teaching of elementary mathematics concepts.
Chicago Style (17th ed.) CitationBernaldez, Pedro Bordeos 1949. The Montessori Didactic Materials in the Teaching of Elementary Mathematics Concepts. 1972.
MLA (9th ed.) CitationBernaldez, Pedro Bordeos 1949. The Montessori Didactic Materials in the Teaching of Elementary Mathematics Concepts. 1972.
Warning: These citations may not always be 100% accurate.