Vickery, R. L. (1970). The process way to science ; Bk. A: A four-book series for middle and upper primary grades. Jacaranda.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVickery, R. L. The Process Way to Science ; Bk. A: A Four-book Series for Middle and Upper Primary Grades. Milton, Q: Jacaranda, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVickery, R. L. The Process Way to Science ; Bk. A: A Four-book Series for Middle and Upper Primary Grades. Jacaranda, 1970.
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