Mathematics Teacher (1969) Vol. 62, No. 8
DECE~ IBER 1969 voLntE LXII. ~r:-.JnJ;u" Homomorphism: A Unifying Concept gugene F. Kra use A Proposal for the Mathematics Methods Course Dale .11. Shafer Developing a Meaningful Algorithm for Factoring Quadratic Trinomials Belly L. Baker Notes on an Extension of Pythagorean Triplets in Arithmetic Progression William .
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