Chem, P. (1968). Chemistry: Inorganic organic and biological. Barnes & Noble books.
Tohutoru Kātū Chicago (17th ed.)Chem, Philip. Chemistry: Inorganic Organic and Biological. London: Barnes & Noble books, 1968.
Tohutoro MLA (9th ed.)Chem, Philip. Chemistry: Inorganic Organic and Biological. Barnes & Noble books, 1968.
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