Zumariyah, Zumariyah, SD Negeri Kempong, Kapanewon Kalibawang, Kabupaten Kulon Progo, Indonesia
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IJCER (International Journal of Chemistry Education Research) VOLUME 6, ISSUE 2, OCTOBER 2022 - Research Articles
Improving Mathematics Learning Outcomes in the Covid-19 Pandemic Era Through Contextual Teaching and Learning (CTL) Learning Models Using WhatsApp Groups for Class II Students of Kempong State Elementary School, Kapanewon Kalibawang, Kulon Progo Regency
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