Items where Author is "Putri, Ratu Ilma Indra"
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Sari, Elisa Mayang and Putri, Ratu Ilma Indra (2020) Development of Sharing Task and Jumping Task in Direct Proportion using Lesson Study and PBL. International Journal on Emerging Mathematics Education, 3 (2). pp. 177-190. ISSN 2549-4996