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4991
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4992
Hudhud hi Aliguyon a translation of an Ifugao Harvest song with introduction and notes
出版 1976Visual Material -
4993
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4994
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4995
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4996
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4997
Difficulties in science teaching in the elementary schools of Oroquieta, Misamis Occidental
出版 1976Visual Material -
4998
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4999
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5000