Optimizirane na upravlencheskoto reshenie v uchilishte
By: Neno Nenov.
Publisher: T͡S︡entr. in-t za usŭvŭrshenstvuvane na uchiteli i rŭkovodni kadri "Vela Blagoeva"
Published: 1982
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 120