Zhenata tvoret͡s︡--izobretatel i rat͡s︡ionalizator.
Contributors: Stavrev, I.; Bŭlgarski profesionalni sŭi͡u︡zi. Okrŭzhen sŭvet (Varna)
Publisher: Okrŭzhen sŭvet na BPS
Published: 1983
Place of publication: Varna
Language: bul
Number of pages: 108
Subjects: Inventors -- Bulgaria.
Notes: Cover title.
At head of title: Okrŭzhen sŭvet na BPS ....
"Sŭdŭrzhanie: I. Stavrev ... [et al.]"