Fakultativnoto obuchenie v ESPU
By: Ministerstvo na narodnata prosveta, Nauchnoizsledovatelski institut po obshto obrazovanie T. Samodumov ; [rŭkovoditel L. Dereliev].
Contributors: Dereliev, Li͡u︡bomir Dimitrov.
Publisher: [s.n.]
Published: 1978
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 248
Subjects: Teaching, Departmental system of.
Notes: Bibliography: p. 241-246.