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Efforting reduced the negative effect of the revolution industry, needed to inculcate noble cultural characters in adolescents trough implementation ethnomathematics in learning. Through ethnomathematics students not only understand mathematical concepts but also appreciate their cultures more and can take valueswithin them, which impact on the formation of national character. Embedded with the noble cultural character in students will surely cope with the negative impacts of changing the world.
Dafid Slamet Setiana (Wed,) studied this question.