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121
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122
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123
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124
The use of Pio del Pilar community resources in teaching grade VI social studies
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125
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126
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127
Proposed learning activity package in the concept environment for grade four fast learners
Argitaratua 1980Thesis -
128
The social studies sourcebook ideas for teaching in the elementary and middle school
Argitaratua 1980Liburua -
129
The social studies sourcebook ideas for teaching in the elementary and middle school
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