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UNION: Jurnal Ilmiah Pendidikan Matematika
Kampus FKIP Universitas Sarjanawiyata Tamansiswa
Jl. Batikan UH III/1043, Umbulharjo, Yogyakarta - 55167, Indonesia
Email: union@ustjoga.ac.id
p-ISSN: 2339-224X | e-ISSN: 2579-3209
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