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Contemporary sociology in Bulgaria : selected studies / [editorial board, Niko Yakhiel ... [et al.] ; compiled by Yulian Minkov, Todor Petev, Radi Vasilev ; translated by Gocho Chakalov ; Mrs M. Campos ... [et al.]].
Sofia : Publishing House of the Bulgarian Academy of Sciences, 1978.
459 p. : ill. ; 25 cm.