A slightly more readable (although not as comprehensive) treatment of the subject is: • Alon, N., and Spencer, J. H.

The Probabilistic Method (Wiley-Interscience, New York, 1992). (2) الشبكات الاجتماعية

The standard textbook for social network analysis is: ⋆⋆ Wasserman, S., and Faust, K.

Social Network Analysis: Methods and Applications (Cambridge University Press, Cambridge, 1994).

Two shorter, less comprehensive, but more readable alternatives are: ⋆⋆ Degenne, A., and Forse, M.

Introducing Social Networks (Sage, London, 1999). ⋆⋆ Scott, A.

Social Network Analysis,

2d ed. (Sage, London, 2000).

Finally, a very short collection of classic papers-the ones that introduced some of the central concepts in the field-includes: ⋆⋆ Boorman, S. A., and White, H. C. Social structure from multiple networks. II. Role structures.

American Journal of Sociology,

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