Lerch, Harold H.
Teaching elementary school mathematics : an active learning approach Harold H. Lerch - Boston: Houghton Mifflin company, 1981. - 398p.
HB
includes index
Eng
0395297621
Mathematics- Study and teaching
372.73044 / LET
Teaching elementary school mathematics : an active learning approach Harold H. Lerch - Boston: Houghton Mifflin company, 1981. - 398p.
HB
includes index
Eng
0395297621
Mathematics- Study and teaching
372.73044 / LET