Sbornik normativni aktove i metodicheski materiali za organizat͡sii͡a na TNTM
By: Republikanski t͡sentŭr za TNTM.
Publisher: Republikanski t͡sentŭr za TNTM
Published: 1990
Place of publication: Sofii͡a
Language: bul
Number of pages: 185
Subjects: Technological innovations -- Bulgaria.; Youth -- Bulgaria.