-
1461
Error patterns in the division of fractions of grade six children of the Maquiling School Inc. (1974-1975)
Wydane 1975Praca dyplomowa -
1462
-
1463
-
1464
An appraisal of the mathematics program of Torres High School for 1969-1970 [microform]
Wydane 1975Visual Material -
1465
-
1466
-
1467
A survey of the mathematical foundation of the fourth year students [microform]
Wydane 1975Visual Material -
1468
-
1469
-
1470