Cheryl Gibbons Ibarra
发表
C. Mauritz Lindvall,
Cheryl Gibbons Ibarra,
1978
.
C. Mauritz Lindvall,
Cheryl Gibbons Ibarra,
1980
.
INCORRECT PROCEDURES USED BY PRIMARY GRADE PUPILS IN SOLVING OPEN ADDITION AND SUBTRACTION SENTENCES
C. Lindvall,
Cheryl Gibbons Ibarra,
1980
.
C. Lindvall,
Cheryl Gibbons Ibarra,
1979
.
C. Lindvall,
Cheryl Gibbons Ibarra,
1982
.