Items by "Putra, M. Umar"
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Siagian, Sarmauli and Putra, M. Umar and Yanti, Meri (2019) Implementation of Interest in Buying Mikroskil Economic Students on Traveloka Online. In: Proceedings of the 2nd International Conference on Social Sciences and Interdisciplinary Studies (formerly ICCSSIS), ICCSIS 2019, 24-25 October 2019, Medan, North Sumatera, Indonesia.
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