Van Praagh, G. (1988). Seeing it through: Travels of a science teacher. Frongal Publs.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVan Praagh, G. Seeing It Through: Travels of a Science Teacher. [West Sussex: Frongal Publs.], 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVan Praagh, G. Seeing It Through: Travels of a Science Teacher. Frongal Publs.], 1988.
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