*) Journal of Educational Research and Evaluation is Accredited Sinta 2 by The Ministry for Research, Technology and Higher Education (RISTEKDIKTI)
Lumbantoruan, Jitu Halomoan, Universitas Kristen Indonesia, Jakarta, Indonesia, Indonesia
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Journal of Education Reseach and Evaluation Vol 7 No 3 (2023): August - Articles
Evaluation of Students' Difficulties in Learning Mathematics in Complex Variable Material
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