Search Results - Leo Adhar Effendi

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    Instrument and evaluation of students' involvement in learning Mathematics in 21-century skills at senior high schools of Riau province by Dedek Andrian, Leo Adhar Effendi

    Published 2023
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    Developing instrument to increase students' geometry ability based on Van Hiele level integrated with Riau Malay culture by Astri Wahyuni, Leo Adhar Effendi, Lilis Marina Angraini, Dedek Andrian

    Published 2020
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