Fiolisa Adinda Putri Karniawan and Nur Anita Yunikawati 2025. Development of Econoplay Based PowerPoint Learning Media on Marketand Market Price Formation Material for Grade X Students of SMANegeri 3 Blitar. Jurnal Inovasi Pendidikan Ekonomi. 15, 1 (Jun. 2025). DOI:https://doi.org/10.24036/011335420.