JR, F. A. (1972). SCHAUM'SM OUTLINE OF THEORY AND PROBLEMS OF DIFFERENTIAL EQUATIONS. MaGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)JR, FRANK AYRES. SCHAUM'SM OUTLINE OF THEORY AND PROBLEMS OF DIFFERENTIAL EQUATIONS. Singapore: MaGraw-Hill, 1972.
Tohutoro MLA (9th ed.)JR, FRANK AYRES. SCHAUM'SM OUTLINE OF THEORY AND PROBLEMS OF DIFFERENTIAL EQUATIONS. MaGraw-Hill, 1972.
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