Banks, J. Houston
Learning and teaching arithmetic / J Houston Banks - Boston : Allyn and Bacon, c 1959. - ix, 405 p. : ill. ; 24 cm.
14 14
Arithmetic -- Study and teaching
511.07 / B226l
Learning and teaching arithmetic / J Houston Banks - Boston : Allyn and Bacon, c 1959. - ix, 405 p. : ill. ; 24 cm.
14 14
Arithmetic -- Study and teaching
511.07 / B226l