Frey, P. R., & ওৎরিহ, ক. এ. (1958). College chemistry. Prentice-Hall.
Chicago Style (17th ed.) CitationFrey, Paul R., and কবরঃয এ ওৎরিহ. College Chemistry. Englewood Cliffs, N.J.: Prentice-Hall, 1958.
MLA (9th ed.) CitationFrey, Paul R., and কবরঃয এ ওৎরিহ. College Chemistry. Prentice-Hall, 1958.
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