Pompen, J. G. J. Social studies in teacher training. Education quarterly..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPompen, Johannes G. J. "Social Studies in Teacher Training." Education Quarterly. .
एमएलए (9वां संस्करण) प्रशस्ति पत्रPompen, Johannes G. J. "Social Studies in Teacher Training." Education Quarterly., .
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