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Patent
Diana Ermawati, S.Pd., M.Pd., Vira Ayu Ningrum, Lisa Putri Wihana, Yunia Filiyanda, Elza Maulia Sopani (2023) Satuan Panjang. 000436924.
Diana Ermawati, S.Pd., M.Pd., Vira Ayu Ningrum, Lisa Putri Wihana, Yunia Filiyanda, Elza Maulia Sopani (2023) Satuan Panjang. 000436924.