Não informado. (1976). Alberta Science Education Journal. Alberta Teachers Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Alberta Science Education Journal. Edmonton, Canada: Alberta Teachers Association, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Alberta Science Education Journal. Alberta Teachers Association, 1976.
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