Ubut, Ubut, SMP Negeri 4 Palangka Raya (Indonesia)
Ulpah, Ulpah, SMAN Negeri 1 Barabai (Indonesia)
Umiyati, Sri
Utami, Indah Wahyu Puji, Jurusan Sejarah Universitas Negeri Malang; Humanities and Social Studies Education, National Institute of Education, Nanyang Technological University (Indonesia)

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