Ward, H., Roden, J., Hewlett, C., & Foreman, J. (2005). Teaching science in the primary classroom: A practical guide. Paul Chapman Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWard, Hellen, Judith Roden, Claire Hewlett, और Julie Foreman. Teaching Science in the Primary Classroom: A Practical Guide. London ; Thousand Oaks, Calif.: Paul Chapman Pub., 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWard, Hellen, et al. Teaching Science in the Primary Classroom: A Practical Guide. Paul Chapman Pub., 2005.
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