“... which had two stage: the preliminary and formative evaluation. Tenth-grade students of senior high...”
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“.... This research involved three expert reviews and 32 fifteen-years-old tenth-grade students of SMA N 10 Palembang...”
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“... that the students could understand the problem well. Based on the answers from 33 tenth-grade students of senior...”
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“.... This study also aimed to find out the potential effect of the problems on the tenth-grade students...”
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