Dyball, G. E. (1983). Mathematics for technician engineers, levels 4 and 5. McGraw-Hill.
Παραπομπή Chicago StyleDyball, George E. Mathematics for Technician Engineers, Levels 4 and 5. London: McGraw-Hill, 1983.
Παραπομπή MLADyball, George E. Mathematics for Technician Engineers, Levels 4 and 5. McGraw-Hill, 1983.
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