-
1131
-
1132
Mathematics instructions in grade I schools District of Sagbayan, 1987-1988 implications to teaching proficiency and effectiveness
Cyhoeddwyd 1988Traethawd Ymchwil -
1133
-
1134
Teaching mathematics to elementary school children a foundation for the future
Cyhoeddwyd 1988Llyfr -
1135
-
1136
-
1137
-
1138
Mathematics achievement of grade six pupils in the public elementary schools of Bacnotan district an appraisal
Cyhoeddwyd 1988Traethawd Ymchwil -
1139
-
1140


