Edinadeseti Nat͡sionalni pedagogicheski chetenii͡a.
By: [sŭstaviteli Slavka Nalbantova, Ermila Popova, Natalii͡a Kalandarova ; redaktor i korektor Petra Tasheva].
Contributors: Nalbantova, Slavka.; Popova, Ermila.; Kalandarova, Natalii͡a.; Tasheva, Petra.; Bulgaria. Ministerstvo na narodnata prosveta.
Publisher: [s.n.]
Published: 1985
Place of publication: Sofii͡a
Language: bul
Number of pages: 195
Subjects: Technology -- Congresses.
Other titles: 11. Nat͡sionalni pedagogicheski chetenii͡a.
Notes: Includes bibliographies.
At head of title: Ministerstvo na narodnata prosveta ...