[редакция на т. 9, В.А. Василев (отг. ред.) ... и др.]

Изд-во на Българската академия на науките 1987 Изследвания по българска история 9

Available at 2 libraries

Vassil A. Vassilev ; [translated from the Bulgarian by Zhechka Georgieva]

Sofia Press [1979]

Available at 1 libraries

by Vassil Vassilev

Development Centre of the Organization for Economic Co-operation and Development [1969] Development Centre studies

Available at 14 libraries