# Need a reference for techniques for the evaluation of limits of functions

Is anyone familiar with a comprehensive source (a book or a web-site) for techniques used in evaluating the limits of functions ?

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Catherine Roberts & Ray McLenaghan, Continuous Mathematics'' in Standard Mathematical Tables and Formulae ed. Daniel Zwillinger. Boca Raton: CRC Press (1996): 333, 5.1 Differential Calculus