Usŭvŭrshenstvuvane organizat͡s︡ii͡a︡ta i povishavane kachestvoto na truda v t͡s︡elodnevnoto uchilishte
Subtitle: iz dobrii͡a︡ pedagogicheski opit
By: Okrŭzhen komitet na Bŭlgarskata komunisticheska partii͡a︡ ... et al.
Publisher: [s.n.]
Published: 1980
Place of publication: Mikhaĭlovgrad
Language: bul
Number of pages: 48