Ryan, J. P. (1985). Mathematical applications for management, life, and social sciences. D.C. Heath.
Chicago-viite (17. p.)Ryan, John P. Mathematical Applications for Management, Life, and Social Sciences. Lexington: D.C. Heath, 1985.
MLA-viite (9. p.)Ryan, John P. Mathematical Applications for Management, Life, and Social Sciences. D.C. Heath, 1985.
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