Izvŭnurochnata deĭnost--faktor za vsestrannoto razvitie na lichnostta
By: Dimitŭr Petrov Khristov.
Publisher: IPKU
Published: 1987
Place of publication: Stara Zagora
Language: bul
Number of pages: 117
Notes: Includes bibliographical references.
At head of title: Plovdivski universitet "Paisiĭ Khilendarski." Institut za povishavane kvalifikat͡s︡ii͡a︡ta na uchitelite--Stara Zagora.